81850320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1537

約数の個数: 120

約数和(自身を含む): 278553600

約数和(自身を除く): 196703280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1439, 1580, 1896, 2370, 2844, 2878, 3160, 3555, 3792, 4317, 4740, 5688, 5756, 6320, 7110, 7195, 8634, 9480, 11376, 11512, 12951, 14220, 14390, 17268, 18960, 21585, 23024, 25902, 28440, 28780, 34536, 43170, 51804, 56880, 57560, 64755, 69072, 86340, 103608, 113681, 115120, 129510, 172680, 207216, 227362, 259020, 341043, 345360, 454724, 518040, 568405, 682086, 909448, 1023129, 1036080, 1136810, 1364172, 1705215, 1818896, 2046258, 2273620, 2728344, 3410430, 4092516, 4547240, 5115645, 5456688, 6820860, 8185032, 9094480, 10231290, 13641720, 16370064, 20462580, 27283440, 40925160, 81850320]

約数ペア:

[(1, 81850320), (2, 40925160), (3, 27283440), (4, 20462580), (5, 16370064), (6, 13641720), (8, 10231290), (9, 9094480), (10, 8185032), (12, 6820860), (15, 5456688), (16, 5115645), (18, 4547240), (20, 4092516), (24, 3410430), (30, 2728344), (36, 2273620), (40, 2046258), (45, 1818896), (48, 1705215), (60, 1364172), (72, 1136810), (79, 1036080), (80, 1023129), (90, 909448), (120, 682086), (144, 568405), (158, 518040), (180, 454724), (237, 345360), (240, 341043), (316, 259020), (360, 227362), (395, 207216), (474, 172680), (632, 129510), (711, 115120), (720, 113681), (790, 103608), (948, 86340), (1185, 69072), (1264, 64755), (1422, 57560), (1439, 56880), (1580, 51804), (1896, 43170), (2370, 34536), (2844, 28780), (2878, 28440), (3160, 25902), (3555, 23024), (3792, 21585), (4317, 18960), (4740, 17268), (5688, 14390), (5756, 14220), (6320, 12951), (7110, 11512), (7195, 11376), (8634, 9480)]