2776221440

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 6990774336

約数和(自身を除く): 4214552896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 181, 184, 230, 256, 320, 362, 368, 460, 521, 640, 724, 736, 905, 920, 1042, 1280, 1448, 1472, 1810, 1840, 2084, 2605, 2896, 2944, 3620, 3680, 4163, 4168, 5210, 5792, 5888, 7240, 7360, 8326, 8336, 10420, 11584, 11983, 14480, 14720, 16652, 16672, 20815, 20840, 23168, 23966, 28960, 29440, 33304, 33344, 41630, 41680, 46336, 47932, 57920, 59915, 66608, 66688, 83260, 83360, 94301, 95864, 115840, 119830, 133216, 133376, 166520, 166720, 188602, 191728, 231680, 239660, 266432, 333040, 333440, 377204, 383456, 471505, 479320, 532864, 666080, 666880, 754408, 766912, 943010, 958640, 1065728, 1332160, 1508816, 1533824, 1886020, 1917280, 2168923, 2664320, 3017632, 3067648, 3772040, 3834560, 4337846, 5328640, 6035264, 7544080, 7669120, 8675692, 10844615, 12070528, 15088160, 15338240, 17351384, 21689230, 24141056, 30176320, 34702768, 43378460, 60352640, 69405536, 86756920, 120705280, 138811072, 173513840, 277622144, 347027680, 555244288, 694055360, 1388110720, 2776221440]

約数ペア:

[(1, 2776221440), (2, 1388110720), (4, 694055360), (5, 555244288), (8, 347027680), (10, 277622144), (16, 173513840), (20, 138811072), (23, 120705280), (32, 86756920), (40, 69405536), (46, 60352640), (64, 43378460), (80, 34702768), (92, 30176320), (115, 24141056), (128, 21689230), (160, 17351384), (181, 15338240), (184, 15088160), (230, 12070528), (256, 10844615), (320, 8675692), (362, 7669120), (368, 7544080), (460, 6035264), (521, 5328640), (640, 4337846), (724, 3834560), (736, 3772040), (905, 3067648), (920, 3017632), (1042, 2664320), (1280, 2168923), (1448, 1917280), (1472, 1886020), (1810, 1533824), (1840, 1508816), (2084, 1332160), (2605, 1065728), (2896, 958640), (2944, 943010), (3620, 766912), (3680, 754408), (4163, 666880), (4168, 666080), (5210, 532864), (5792, 479320), (5888, 471505), (7240, 383456), (7360, 377204), (8326, 333440), (8336, 333040), (10420, 266432), (11584, 239660), (11983, 231680), (14480, 191728), (14720, 188602), (16652, 166720), (16672, 166520), (20815, 133376), (20840, 133216), (23168, 119830), (23966, 115840), (28960, 95864), (29440, 94301), (33304, 83360), (33344, 83260), (41630, 66688), (41680, 66608), (46336, 59915), (47932, 57920)]