71787760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 190519056

約数和(自身を除く): 118731296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 97, 110, 116, 145, 176, 194, 220, 232, 290, 319, 388, 440, 464, 485, 580, 638, 776, 841, 880, 970, 1067, 1160, 1276, 1552, 1595, 1682, 1940, 2134, 2320, 2552, 2813, 3190, 3364, 3880, 4205, 4268, 5104, 5335, 5626, 6380, 6728, 7760, 8410, 8536, 9251, 10670, 11252, 12760, 13456, 14065, 16820, 17072, 18502, 21340, 22504, 25520, 28130, 30943, 33640, 37004, 42680, 45008, 46255, 56260, 61886, 67280, 74008, 81577, 85360, 92510, 112520, 123772, 148016, 154715, 163154, 185020, 225040, 247544, 309430, 326308, 370040, 407885, 495088, 618860, 652616, 740080, 815770, 897347, 1237720, 1305232, 1631540, 1794694, 2475440, 3263080, 3589388, 4486735, 6526160, 7178776, 8973470, 14357552, 17946940, 35893880, 71787760]

約数ペア:

[(1, 71787760), (2, 35893880), (4, 17946940), (5, 14357552), (8, 8973470), (10, 7178776), (11, 6526160), (16, 4486735), (20, 3589388), (22, 3263080), (29, 2475440), (40, 1794694), (44, 1631540), (55, 1305232), (58, 1237720), (80, 897347), (88, 815770), (97, 740080), (110, 652616), (116, 618860), (145, 495088), (176, 407885), (194, 370040), (220, 326308), (232, 309430), (290, 247544), (319, 225040), (388, 185020), (440, 163154), (464, 154715), (485, 148016), (580, 123772), (638, 112520), (776, 92510), (841, 85360), (880, 81577), (970, 74008), (1067, 67280), (1160, 61886), (1276, 56260), (1552, 46255), (1595, 45008), (1682, 42680), (1940, 37004), (2134, 33640), (2320, 30943), (2552, 28130), (2813, 25520), (3190, 22504), (3364, 21340), (3880, 18502), (4205, 17072), (4268, 16820), (5104, 14065), (5335, 13456), (5626, 12760), (6380, 11252), (6728, 10670), (7760, 9251), (8410, 8536)]