1286531820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3221}}^1$

素因数の和:3560

約数の個数: 144

約数和(自身を含む): 4475435328

約数和(自身を除く): 3188903508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 317, 420, 630, 634, 951, 1260, 1268, 1585, 1902, 2219, 2853, 3170, 3221, 3804, 4438, 4755, 5706, 6340, 6442, 6657, 8876, 9510, 9663, 11095, 11412, 12884, 13314, 14265, 16105, 19020, 19326, 19971, 22190, 22547, 26628, 28530, 28989, 32210, 33285, 38652, 39942, 44380, 45094, 48315, 57060, 57978, 64420, 66570, 67641, 79884, 90188, 96630, 99855, 112735, 115956, 133140, 135282, 144945, 193260, 199710, 202923, 225470, 270564, 289890, 338205, 399420, 405846, 450940, 579780, 676410, 811692, 1014615, 1021057, 1352820, 2029230, 2042114, 3063171, 4058460, 4084228, 5105285, 6126342, 7147399, 9189513, 10210570, 12252684, 14294798, 15315855, 18379026, 20421140, 21442197, 28589596, 30631710, 35736995, 36758052, 42884394, 45947565, 61263420, 64326591, 71473990, 85768788, 91895130, 107210985, 128653182, 142947980, 183790260, 214421970, 257306364, 321632955, 428843940, 643265910, 1286531820]

約数ペア:

[(1, 1286531820), (2, 643265910), (3, 428843940), (4, 321632955), (5, 257306364), (6, 214421970), (7, 183790260), (9, 142947980), (10, 128653182), (12, 107210985), (14, 91895130), (15, 85768788), (18, 71473990), (20, 64326591), (21, 61263420), (28, 45947565), (30, 42884394), (35, 36758052), (36, 35736995), (42, 30631710), (45, 28589596), (60, 21442197), (63, 20421140), (70, 18379026), (84, 15315855), (90, 14294798), (105, 12252684), (126, 10210570), (140, 9189513), (180, 7147399), (210, 6126342), (252, 5105285), (315, 4084228), (317, 4058460), (420, 3063171), (630, 2042114), (634, 2029230), (951, 1352820), (1260, 1021057), (1268, 1014615), (1585, 811692), (1902, 676410), (2219, 579780), (2853, 450940), (3170, 405846), (3221, 399420), (3804, 338205), (4438, 289890), (4755, 270564), (5706, 225470), (6340, 202923), (6442, 199710), (6657, 193260), (8876, 144945), (9510, 135282), (9663, 133140), (11095, 115956), (11412, 112735), (12884, 99855), (13314, 96630), (14265, 90188), (16105, 79884), (19020, 67641), (19326, 66570), (19971, 64420), (22190, 57978), (22547, 57060), (26628, 48315), (28530, 45094), (28989, 44380), (32210, 39942), (33285, 38652)]