981801920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 224

約数和(自身を含む): 2715987456

約数和(自身を除く): 1734185536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 67, 80, 88, 92, 110, 115, 134, 160, 176, 181, 184, 220, 230, 253, 268, 320, 335, 352, 362, 368, 440, 460, 506, 536, 670, 704, 724, 736, 737, 880, 905, 920, 1012, 1072, 1265, 1340, 1448, 1472, 1474, 1541, 1760, 1810, 1840, 1991, 2024, 2144, 2530, 2680, 2896, 2948, 3082, 3520, 3620, 3680, 3685, 3982, 4048, 4163, 4288, 5060, 5360, 5792, 5896, 6164, 7240, 7360, 7370, 7705, 7964, 8096, 8326, 9955, 10120, 10720, 11584, 11792, 12127, 12328, 14480, 14740, 15410, 15928, 16192, 16652, 16951, 19910, 20240, 20815, 21440, 23584, 24254, 24656, 28960, 29480, 30820, 31856, 33304, 33902, 39820, 40480, 41630, 45793, 47168, 48508, 49312, 57920, 58960, 60635, 61640, 63712, 66608, 67804, 79640, 80960, 83260, 84755, 91586, 97016, 98624, 117920, 121270, 123280, 127424, 133216, 133397, 135608, 159280, 166520, 169510, 183172, 194032, 228965, 235840, 242540, 246560, 266432, 266794, 271216, 278921, 318560, 333040, 339020, 366344, 388064, 457930, 485080, 493120, 533588, 542432, 557842, 637120, 666080, 666985, 678040, 732688, 776128, 915860, 970160, 1067176, 1084864, 1115684, 1332160, 1333970, 1356080, 1394605, 1465376, 1831720, 1940320, 2134352, 2231368, 2667940, 2712160, 2789210, 2930752, 3068131, 3663440, 3880640, 4268704, 4462736, 5335880, 5424320, 5578420, 6136262, 7326880, 8537408, 8925472, 10671760, 11156840, 12272524, 14653760, 15340655, 17850944, 21343520, 22313680, 24545048, 30681310, 42687040, 44627360, 49090096, 61362620, 89254720, 98180192, 122725240, 196360384, 245450480, 490900960, 981801920]

約数ペア:

[(1, 981801920), (2, 490900960), (4, 245450480), (5, 196360384), (8, 122725240), (10, 98180192), (11, 89254720), (16, 61362620), (20, 49090096), (22, 44627360), (23, 42687040), (32, 30681310), (40, 24545048), (44, 22313680), (46, 21343520), (55, 17850944), (64, 15340655), (67, 14653760), (80, 12272524), (88, 11156840), (92, 10671760), (110, 8925472), (115, 8537408), (134, 7326880), (160, 6136262), (176, 5578420), (181, 5424320), (184, 5335880), (220, 4462736), (230, 4268704), (253, 3880640), (268, 3663440), (320, 3068131), (335, 2930752), (352, 2789210), (362, 2712160), (368, 2667940), (440, 2231368), (460, 2134352), (506, 1940320), (536, 1831720), (670, 1465376), (704, 1394605), (724, 1356080), (736, 1333970), (737, 1332160), (880, 1115684), (905, 1084864), (920, 1067176), (1012, 970160), (1072, 915860), (1265, 776128), (1340, 732688), (1448, 678040), (1472, 666985), (1474, 666080), (1541, 637120), (1760, 557842), (1810, 542432), (1840, 533588), (1991, 493120), (2024, 485080), (2144, 457930), (2530, 388064), (2680, 366344), (2896, 339020), (2948, 333040), (3082, 318560), (3520, 278921), (3620, 271216), (3680, 266794), (3685, 266432), (3982, 246560), (4048, 242540), (4163, 235840), (4288, 228965), (5060, 194032), (5360, 183172), (5792, 169510), (5896, 166520), (6164, 159280), (7240, 135608), (7360, 133397), (7370, 133216), (7705, 127424), (7964, 123280), (8096, 121270), (8326, 117920), (9955, 98624), (10120, 97016), (10720, 91586), (11584, 84755), (11792, 83260), (12127, 80960), (12328, 79640), (14480, 67804), (14740, 66608), (15410, 63712), (15928, 61640), (16192, 60635), (16652, 58960), (16951, 57920), (19910, 49312), (20240, 48508), (20815, 47168), (21440, 45793), (23584, 41630), (24254, 40480), (24656, 39820), (28960, 33902), (29480, 33304), (30820, 31856)]