321027420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 192

約数和(自身を含む): 1104768000

約数和(自身を除く): 783740580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 490, 532, 570, 588, 665, 686, 735, 798, 821, 931, 980, 1029, 1140, 1330, 1372, 1470, 1596, 1642, 1715, 1862, 1995, 2058, 2463, 2660, 2793, 2940, 3284, 3430, 3724, 3990, 4105, 4116, 4655, 4926, 5145, 5586, 5747, 6517, 6860, 7980, 8210, 9310, 9852, 10290, 11172, 11494, 12315, 13034, 13965, 15599, 16420, 17241, 18620, 19551, 20580, 22988, 24630, 26068, 27930, 28735, 31198, 32585, 34482, 39102, 40229, 46797, 49260, 55860, 57470, 62396, 65170, 68964, 77995, 78204, 80458, 86205, 93594, 97755, 109193, 114940, 120687, 130340, 155990, 160916, 172410, 187188, 195510, 201145, 218386, 233985, 241374, 281603, 311980, 327579, 344820, 391020, 402290, 436772, 467970, 482748, 545965, 563206, 603435, 655158, 764351, 804580, 844809, 935940, 1091930, 1126412, 1206870, 1310316, 1408015, 1528702, 1637895, 1689618, 2183860, 2293053, 2413740, 2816030, 3057404, 3275790, 3379236, 3821755, 4224045, 4586106, 5350457, 5632060, 6551580, 7643510, 8448090, 9172212, 10700914, 11465265, 15287020, 16051371, 16896180, 21401828, 22930530, 26752285, 32102742, 45861060, 53504570, 64205484, 80256855, 107009140, 160513710, 321027420]

約数ペア:

[(1, 321027420), (2, 160513710), (3, 107009140), (4, 80256855), (5, 64205484), (6, 53504570), (7, 45861060), (10, 32102742), (12, 26752285), (14, 22930530), (15, 21401828), (19, 16896180), (20, 16051371), (21, 15287020), (28, 11465265), (30, 10700914), (35, 9172212), (38, 8448090), (42, 7643510), (49, 6551580), (57, 5632060), (60, 5350457), (70, 4586106), (76, 4224045), (84, 3821755), (95, 3379236), (98, 3275790), (105, 3057404), (114, 2816030), (133, 2413740), (140, 2293053), (147, 2183860), (190, 1689618), (196, 1637895), (210, 1528702), (228, 1408015), (245, 1310316), (266, 1206870), (285, 1126412), (294, 1091930), (343, 935940), (380, 844809), (399, 804580), (420, 764351), (490, 655158), (532, 603435), (570, 563206), (588, 545965), (665, 482748), (686, 467970), (735, 436772), (798, 402290), (821, 391020), (931, 344820), (980, 327579), (1029, 311980), (1140, 281603), (1330, 241374), (1372, 233985), (1470, 218386), (1596, 201145), (1642, 195510), (1715, 187188), (1862, 172410), (1995, 160916), (2058, 155990), (2463, 130340), (2660, 120687), (2793, 114940), (2940, 109193), (3284, 97755), (3430, 93594), (3724, 86205), (3990, 80458), (4105, 78204), (4116, 77995), (4655, 68964), (4926, 65170), (5145, 62396), (5586, 57470), (5747, 55860), (6517, 49260), (6860, 46797), (7980, 40229), (8210, 39102), (9310, 34482), (9852, 32585), (10290, 31198), (11172, 28735), (11494, 27930), (12315, 26068), (13034, 24630), (13965, 22988), (15599, 20580), (16420, 19551), (17241, 18620)]