177607980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 591671808

約数和(自身を除く): 414063828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 271, 330, 331, 396, 495, 542, 660, 662, 813, 990, 993, 1084, 1324, 1355, 1626, 1655, 1980, 1986, 2439, 2710, 2979, 2981, 3252, 3310, 3641, 3972, 4065, 4878, 4965, 5420, 5958, 5962, 6620, 7282, 8130, 8943, 9756, 9930, 10923, 11916, 11924, 12195, 14564, 14895, 14905, 16260, 17886, 18205, 19860, 21846, 24390, 26829, 29790, 29810, 32769, 35772, 36410, 43692, 44715, 48780, 53658, 54615, 59580, 59620, 65538, 72820, 89430, 89701, 107316, 109230, 131076, 134145, 163845, 178860, 179402, 218460, 268290, 269103, 327690, 358804, 448505, 536580, 538206, 655380, 807309, 897010, 986711, 1076412, 1345515, 1614618, 1794020, 1973422, 2691030, 2960133, 3229236, 3946844, 4036545, 4933555, 5382060, 5920266, 8073090, 8880399, 9867110, 11840532, 14800665, 16146180, 17760798, 19734220, 29601330, 35521596, 44401995, 59202660, 88803990, 177607980]

約数ペア:

[(1, 177607980), (2, 88803990), (3, 59202660), (4, 44401995), (5, 35521596), (6, 29601330), (9, 19734220), (10, 17760798), (11, 16146180), (12, 14800665), (15, 11840532), (18, 9867110), (20, 8880399), (22, 8073090), (30, 5920266), (33, 5382060), (36, 4933555), (44, 4036545), (45, 3946844), (55, 3229236), (60, 2960133), (66, 2691030), (90, 1973422), (99, 1794020), (110, 1614618), (132, 1345515), (165, 1076412), (180, 986711), (198, 897010), (220, 807309), (271, 655380), (330, 538206), (331, 536580), (396, 448505), (495, 358804), (542, 327690), (660, 269103), (662, 268290), (813, 218460), (990, 179402), (993, 178860), (1084, 163845), (1324, 134145), (1355, 131076), (1626, 109230), (1655, 107316), (1980, 89701), (1986, 89430), (2439, 72820), (2710, 65538), (2979, 59620), (2981, 59580), (3252, 54615), (3310, 53658), (3641, 48780), (3972, 44715), (4065, 43692), (4878, 36410), (4965, 35772), (5420, 32769), (5958, 29810), (5962, 29790), (6620, 26829), (7282, 24390), (8130, 21846), (8943, 19860), (9756, 18205), (9930, 17886), (10923, 16260), (11916, 14905), (11924, 14895), (12195, 14564)]