21787690320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{88741}}^1$

素因数の和:88802

約数の個数: 240

約数和(自身を含む): 82398011904

約数和(自身を除く): 60610321584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2046, 2232, 2480, 2640, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 4464, 5115, 5456, 5580, 6138, 6820, 7440, 7920, 8184, 10230, 11160, 12276, 13640, 15345, 16368, 20460, 22320, 24552, 27280, 30690, 40920, 49104, 61380, 81840, 88741, 122760, 177482, 245520, 266223, 354964, 443705, 532446, 709928, 798669, 887410, 976151, 1064892, 1331115, 1419856, 1597338, 1774820, 1952302, 2129784, 2662230, 2750971, 2928453, 3194676, 3549640, 3904604, 3993345, 4259568, 4880755, 5324460, 5501942, 5856906, 6389352, 7099280, 7809208, 7986690, 8252913, 8785359, 9761510, 10648920, 11003884, 11713812, 12778704, 13754855, 14642265, 15618416, 15973380, 16505826, 17570718, 19523020, 21297840, 22007768, 23427624, 24758739, 27509710, 29284530, 30260681, 31946760, 33011652, 35141436, 39046040, 41264565, 43926795, 44015536, 46855248, 49517478, 55019420, 58569060, 60521362, 63893520, 66023304, 70282872, 78092080, 82529130, 87853590, 90782043, 99034956, 110038840, 117138120, 121042724, 123793695, 132046608, 140565744, 151303405, 165058260, 175707180, 181564086, 198069912, 220077680, 234276240, 242085448, 247587390, 272346129, 302606810, 330116520, 351414360, 363128172, 396139824, 453910215, 484170896, 495174780, 544692258, 605213620, 660233040, 702828720, 726256344, 907820430, 990349560, 1089384516, 1210427240, 1361730645, 1452512688, 1815640860, 1980699120, 2178769032, 2420854480, 2723461290, 3631281720, 4357538064, 5446922580, 7262563440, 10893845160, 21787690320]

約数ペア:

[(1, 21787690320), (2, 10893845160), (3, 7262563440), (4, 5446922580), (5, 4357538064), (6, 3631281720), (8, 2723461290), (9, 2420854480), (10, 2178769032), (11, 1980699120), (12, 1815640860), (15, 1452512688), (16, 1361730645), (18, 1210427240), (20, 1089384516), (22, 990349560), (24, 907820430), (30, 726256344), (31, 702828720), (33, 660233040), (36, 605213620), (40, 544692258), (44, 495174780), (45, 484170896), (48, 453910215), (55, 396139824), (60, 363128172), (62, 351414360), (66, 330116520), (72, 302606810), (80, 272346129), (88, 247587390), (90, 242085448), (93, 234276240), (99, 220077680), (110, 198069912), (120, 181564086), (124, 175707180), (132, 165058260), (144, 151303405), (155, 140565744), (165, 132046608), (176, 123793695), (180, 121042724), (186, 117138120), (198, 110038840), (220, 99034956), (240, 90782043), (248, 87853590), (264, 82529130), (279, 78092080), (310, 70282872), (330, 66023304), (341, 63893520), (360, 60521362), (372, 58569060), (396, 55019420), (440, 49517478), (465, 46855248), (495, 44015536), (496, 43926795), (528, 41264565), (558, 39046040), (620, 35141436), (660, 33011652), (682, 31946760), (720, 30260681), (744, 29284530), (792, 27509710), (880, 24758739), (930, 23427624), (990, 22007768), (1023, 21297840), (1116, 19523020), (1240, 17570718), (1320, 16505826), (1364, 15973380), (1395, 15618416), (1488, 14642265), (1584, 13754855), (1705, 12778704), (1860, 11713812), (1980, 11003884), (2046, 10648920), (2232, 9761510), (2480, 8785359), (2640, 8252913), (2728, 7986690), (2790, 7809208), (3069, 7099280), (3410, 6389352), (3720, 5856906), (3960, 5501942), (4092, 5324460), (4464, 4880755), (5115, 4259568), (5456, 3993345), (5580, 3904604), (6138, 3549640), (6820, 3194676), (7440, 2928453), (7920, 2750971), (8184, 2662230), (10230, 2129784), (11160, 1952302), (12276, 1774820), (13640, 1597338), (15345, 1419856), (16368, 1331115), (20460, 1064892), (22320, 976151), (24552, 887410), (27280, 798669), (30690, 709928), (40920, 532446), (49104, 443705), (61380, 354964), (81840, 266223), (88741, 245520), (122760, 177482)]