21980249280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{40813}}^1$

素因数の和:40864

約数の個数: 336

約数和(自身を含む): 87329552544

約数和(自身を除く): 65349303264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 64, 66, 68, 72, 80, 85, 88, 90, 96, 99, 102, 110, 120, 132, 136, 144, 153, 160, 165, 170, 176, 180, 187, 192, 198, 204, 220, 240, 255, 264, 272, 288, 306, 320, 330, 340, 352, 360, 374, 396, 408, 440, 480, 495, 510, 528, 544, 561, 576, 612, 660, 680, 704, 720, 748, 765, 792, 816, 880, 935, 960, 990, 1020, 1056, 1088, 1122, 1224, 1320, 1360, 1440, 1496, 1530, 1584, 1632, 1683, 1760, 1870, 1980, 2040, 2112, 2244, 2448, 2640, 2720, 2805, 2880, 2992, 3060, 3168, 3264, 3366, 3520, 3740, 3960, 4080, 4488, 4896, 5280, 5440, 5610, 5984, 6120, 6336, 6732, 7480, 7920, 8160, 8415, 8976, 9792, 10560, 11220, 11968, 12240, 13464, 14960, 15840, 16320, 16830, 17952, 22440, 24480, 26928, 29920, 31680, 33660, 35904, 40813, 44880, 48960, 53856, 59840, 67320, 81626, 89760, 107712, 122439, 134640, 163252, 179520, 204065, 244878, 269280, 326504, 367317, 408130, 448943, 489756, 538560, 612195, 653008, 693821, 734634, 816260, 897886, 979512, 1224390, 1306016, 1346829, 1387642, 1469268, 1632520, 1795772, 1836585, 1959024, 2081463, 2244715, 2448780, 2612032, 2693658, 2775284, 2938536, 3265040, 3469105, 3591544, 3673170, 3918048, 4040487, 4162926, 4489430, 4897560, 5387316, 5550568, 5877072, 6244389, 6530080, 6734145, 6938210, 7183088, 7346340, 7632031, 7836096, 8080974, 8325852, 8978860, 9795120, 10407315, 10774632, 11101136, 11754144, 12488778, 13060160, 13468290, 13876420, 14366176, 14692680, 15264062, 16161948, 16651704, 17957720, 19590240, 20202435, 20814630, 21549264, 22202272, 22896093, 23508288, 24977556, 26936580, 27752840, 28732352, 29385360, 30528124, 31221945, 32323896, 33303408, 35915440, 38160155, 39180480, 40404870, 41629260, 43098528, 44404544, 45792186, 49955112, 53873160, 55505680, 58770720, 61056248, 62443890, 64647792, 66606816, 68688279, 71830880, 76320310, 80809740, 83258520, 86197056, 91584372, 99910224, 107746320, 111011360, 114480465, 117541440, 122112496, 124887780, 129295584, 133213632, 137376558, 143661760, 152640620, 161619480, 166517040, 183168744, 199820448, 215492640, 222022720, 228960930, 244224992, 249775560, 258591168, 274753116, 305281240, 323238960, 333034080, 343441395, 366337488, 399640896, 430985280, 457921860, 488449984, 499551120, 549506232, 610562480, 646477920, 666068160, 686882790, 732674976, 915843720, 999102240, 1099012464, 1221124960, 1292955840, 1373765580, 1465349952, 1831687440, 1998204480, 2198024928, 2442249920, 2747531160, 3663374880, 4396049856, 5495062320, 7326749760, 10990124640, 21980249280]

約数ペア:

[(1, 21980249280), (2, 10990124640), (3, 7326749760), (4, 5495062320), (5, 4396049856), (6, 3663374880), (8, 2747531160), (9, 2442249920), (10, 2198024928), (11, 1998204480), (12, 1831687440), (15, 1465349952), (16, 1373765580), (17, 1292955840), (18, 1221124960), (20, 1099012464), (22, 999102240), (24, 915843720), (30, 732674976), (32, 686882790), (33, 666068160), (34, 646477920), (36, 610562480), (40, 549506232), (44, 499551120), (45, 488449984), (48, 457921860), (51, 430985280), (55, 399640896), (60, 366337488), (64, 343441395), (66, 333034080), (68, 323238960), (72, 305281240), (80, 274753116), (85, 258591168), (88, 249775560), (90, 244224992), (96, 228960930), (99, 222022720), (102, 215492640), (110, 199820448), (120, 183168744), (132, 166517040), (136, 161619480), (144, 152640620), (153, 143661760), (160, 137376558), (165, 133213632), (170, 129295584), (176, 124887780), (180, 122112496), (187, 117541440), (192, 114480465), (198, 111011360), (204, 107746320), (220, 99910224), (240, 91584372), (255, 86197056), (264, 83258520), (272, 80809740), (288, 76320310), (306, 71830880), (320, 68688279), (330, 66606816), (340, 64647792), (352, 62443890), (360, 61056248), (374, 58770720), (396, 55505680), (408, 53873160), (440, 49955112), (480, 45792186), (495, 44404544), (510, 43098528), (528, 41629260), (544, 40404870), (561, 39180480), (576, 38160155), (612, 35915440), (660, 33303408), (680, 32323896), (704, 31221945), (720, 30528124), (748, 29385360), (765, 28732352), (792, 27752840), (816, 26936580), (880, 24977556), (935, 23508288), (960, 22896093), (990, 22202272), (1020, 21549264), (1056, 20814630), (1088, 20202435), (1122, 19590240), (1224, 17957720), (1320, 16651704), (1360, 16161948), (1440, 15264062), (1496, 14692680), (1530, 14366176), (1584, 13876420), (1632, 13468290), (1683, 13060160), (1760, 12488778), (1870, 11754144), (1980, 11101136), (2040, 10774632), (2112, 10407315), (2244, 9795120), (2448, 8978860), (2640, 8325852), (2720, 8080974), (2805, 7836096), (2880, 7632031), (2992, 7346340), (3060, 7183088), (3168, 6938210), (3264, 6734145), (3366, 6530080), (3520, 6244389), (3740, 5877072), (3960, 5550568), (4080, 5387316), (4488, 4897560), (4896, 4489430), (5280, 4162926), (5440, 4040487), (5610, 3918048), (5984, 3673170), (6120, 3591544), (6336, 3469105), (6732, 3265040), (7480, 2938536), (7920, 2775284), (8160, 2693658), (8415, 2612032), (8976, 2448780), (9792, 2244715), (10560, 2081463), (11220, 1959024), (11968, 1836585), (12240, 1795772), (13464, 1632520), (14960, 1469268), (15840, 1387642), (16320, 1346829), (16830, 1306016), (17952, 1224390), (22440, 979512), (24480, 897886), (26928, 816260), (29920, 734634), (31680, 693821), (33660, 653008), (35904, 612195), (40813, 538560), (44880, 489756), (48960, 448943), (53856, 408130), (59840, 367317), (67320, 326504), (81626, 269280), (89760, 244878), (107712, 204065), (122439, 179520), (134640, 163252)]