208218720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 288

約数和(自身を含む): 742694400

約数和(自身を除く): 534475680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 68, 76, 79, 80, 85, 95, 96, 102, 114, 120, 136, 152, 158, 160, 170, 190, 204, 228, 237, 240, 255, 272, 285, 289, 304, 316, 323, 340, 380, 395, 408, 456, 474, 480, 510, 544, 570, 578, 608, 632, 646, 680, 760, 790, 816, 867, 912, 948, 969, 1020, 1140, 1156, 1185, 1264, 1292, 1343, 1360, 1445, 1501, 1520, 1580, 1615, 1632, 1734, 1824, 1896, 1938, 2040, 2280, 2312, 2370, 2528, 2584, 2686, 2720, 2890, 3002, 3040, 3160, 3230, 3468, 3792, 3876, 4029, 4080, 4335, 4503, 4560, 4624, 4740, 4845, 5168, 5372, 5491, 5780, 6004, 6320, 6460, 6715, 6936, 7505, 7584, 7752, 8058, 8160, 8670, 9006, 9120, 9248, 9480, 9690, 10336, 10744, 10982, 11560, 12008, 12640, 12920, 13430, 13872, 15010, 15504, 16116, 16473, 17340, 18012, 18960, 19380, 20145, 21488, 21964, 22515, 22831, 23120, 24016, 25517, 25840, 26860, 27455, 27744, 30020, 31008, 32232, 32946, 34680, 36024, 37920, 38760, 40290, 42976, 43928, 45030, 45662, 46240, 48032, 51034, 51680, 53720, 54910, 60040, 64464, 65892, 68493, 69360, 72048, 76551, 77520, 80580, 82365, 87856, 90060, 91324, 102068, 107440, 109820, 114155, 120080, 127585, 128928, 131784, 136986, 138720, 144096, 153102, 155040, 161160, 164730, 175712, 180120, 182648, 204136, 214880, 219640, 228310, 240160, 255170, 263568, 273972, 306204, 322320, 329460, 342465, 360240, 365296, 382755, 408272, 433789, 439280, 456620, 510340, 527136, 547944, 612408, 644640, 658920, 684930, 720480, 730592, 765510, 816544, 867578, 878560, 913240, 1020680, 1095888, 1224816, 1301367, 1317840, 1369860, 1531020, 1735156, 1826480, 2041360, 2168945, 2191776, 2449632, 2602734, 2635680, 2739720, 3062040, 3470312, 3652960, 4082720, 4337890, 5205468, 5479440, 6124080, 6506835, 6940624, 8675780, 10410936, 10958880, 12248160, 13013670, 13881248, 17351560, 20821872, 26027340, 34703120, 41643744, 52054680, 69406240, 104109360, 208218720]

約数ペア:

[(1, 208218720), (2, 104109360), (3, 69406240), (4, 52054680), (5, 41643744), (6, 34703120), (8, 26027340), (10, 20821872), (12, 17351560), (15, 13881248), (16, 13013670), (17, 12248160), (19, 10958880), (20, 10410936), (24, 8675780), (30, 6940624), (32, 6506835), (34, 6124080), (38, 5479440), (40, 5205468), (48, 4337890), (51, 4082720), (57, 3652960), (60, 3470312), (68, 3062040), (76, 2739720), (79, 2635680), (80, 2602734), (85, 2449632), (95, 2191776), (96, 2168945), (102, 2041360), (114, 1826480), (120, 1735156), (136, 1531020), (152, 1369860), (158, 1317840), (160, 1301367), (170, 1224816), (190, 1095888), (204, 1020680), (228, 913240), (237, 878560), (240, 867578), (255, 816544), (272, 765510), (285, 730592), (289, 720480), (304, 684930), (316, 658920), (323, 644640), (340, 612408), (380, 547944), (395, 527136), (408, 510340), (456, 456620), (474, 439280), (480, 433789), (510, 408272), (544, 382755), (570, 365296), (578, 360240), (608, 342465), (632, 329460), (646, 322320), (680, 306204), (760, 273972), (790, 263568), (816, 255170), (867, 240160), (912, 228310), (948, 219640), (969, 214880), (1020, 204136), (1140, 182648), (1156, 180120), (1185, 175712), (1264, 164730), (1292, 161160), (1343, 155040), (1360, 153102), (1445, 144096), (1501, 138720), (1520, 136986), (1580, 131784), (1615, 128928), (1632, 127585), (1734, 120080), (1824, 114155), (1896, 109820), (1938, 107440), (2040, 102068), (2280, 91324), (2312, 90060), (2370, 87856), (2528, 82365), (2584, 80580), (2686, 77520), (2720, 76551), (2890, 72048), (3002, 69360), (3040, 68493), (3160, 65892), (3230, 64464), (3468, 60040), (3792, 54910), (3876, 53720), (4029, 51680), (4080, 51034), (4335, 48032), (4503, 46240), (4560, 45662), (4624, 45030), (4740, 43928), (4845, 42976), (5168, 40290), (5372, 38760), (5491, 37920), (5780, 36024), (6004, 34680), (6320, 32946), (6460, 32232), (6715, 31008), (6936, 30020), (7505, 27744), (7584, 27455), (7752, 26860), (8058, 25840), (8160, 25517), (8670, 24016), (9006, 23120), (9120, 22831), (9248, 22515), (9480, 21964), (9690, 21488), (10336, 20145), (10744, 19380), (10982, 18960), (11560, 18012), (12008, 17340), (12640, 16473), (12920, 16116), (13430, 15504), (13872, 15010)]