198541560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3421

約数の個数: 128

約数和(自身を含む): 690508800

約数和(自身を除く): 491967240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3329, 3976, 4260, 4970, 5964, 6658, 7455, 8520, 9940, 9987, 11928, 13316, 14910, 16645, 19880, 19974, 23303, 26632, 29820, 33290, 39948, 46606, 49935, 59640, 66580, 69909, 79896, 93212, 99870, 116515, 133160, 139818, 186424, 199740, 233030, 236359, 279636, 349545, 399480, 466060, 472718, 559272, 699090, 709077, 932120, 945436, 1181795, 1398180, 1418154, 1654513, 1890872, 2363590, 2796360, 2836308, 3309026, 3545385, 4727180, 4963539, 5672616, 6618052, 7090770, 8272565, 9454360, 9927078, 13236104, 14181540, 16545130, 19854156, 24817695, 28363080, 33090260, 39708312, 49635390, 66180520, 99270780, 198541560]

約数ペア:

[(1, 198541560), (2, 99270780), (3, 66180520), (4, 49635390), (5, 39708312), (6, 33090260), (7, 28363080), (8, 24817695), (10, 19854156), (12, 16545130), (14, 14181540), (15, 13236104), (20, 9927078), (21, 9454360), (24, 8272565), (28, 7090770), (30, 6618052), (35, 5672616), (40, 4963539), (42, 4727180), (56, 3545385), (60, 3309026), (70, 2836308), (71, 2796360), (84, 2363590), (105, 1890872), (120, 1654513), (140, 1418154), (142, 1398180), (168, 1181795), (210, 945436), (213, 932120), (280, 709077), (284, 699090), (355, 559272), (420, 472718), (426, 466060), (497, 399480), (568, 349545), (710, 279636), (840, 236359), (852, 233030), (994, 199740), (1065, 186424), (1420, 139818), (1491, 133160), (1704, 116515), (1988, 99870), (2130, 93212), (2485, 79896), (2840, 69909), (2982, 66580), (3329, 59640), (3976, 49935), (4260, 46606), (4970, 39948), (5964, 33290), (6658, 29820), (7455, 26632), (8520, 23303), (9940, 19974), (9987, 19880), (11928, 16645), (13316, 14910)]