81674970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 227598336

約数和(自身を除く): 145923366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 97, 102, 127, 130, 170, 194, 195, 221, 254, 255, 291, 381, 390, 442, 485, 510, 582, 635, 663, 762, 970, 1105, 1261, 1270, 1326, 1455, 1649, 1651, 1905, 2159, 2210, 2522, 2910, 3298, 3302, 3315, 3783, 3810, 4318, 4947, 4953, 6305, 6477, 6630, 7566, 8245, 8255, 9894, 9906, 10795, 12319, 12610, 12954, 16490, 16510, 18915, 21437, 21590, 24638, 24735, 24765, 28067, 32385, 36957, 37830, 42874, 49470, 49530, 56134, 61595, 64311, 64770, 73914, 84201, 107185, 123190, 128622, 140335, 160147, 168402, 184785, 209423, 214370, 280670, 320294, 321555, 369570, 418846, 421005, 480441, 628269, 643110, 800735, 842010, 960882, 1047115, 1256538, 1601470, 2094230, 2402205, 2722499, 3141345, 4804410, 5444998, 6282690, 8167497, 13612495, 16334994, 27224990, 40837485, 81674970]

約数ペア:

[(1, 81674970), (2, 40837485), (3, 27224990), (5, 16334994), (6, 13612495), (10, 8167497), (13, 6282690), (15, 5444998), (17, 4804410), (26, 3141345), (30, 2722499), (34, 2402205), (39, 2094230), (51, 1601470), (65, 1256538), (78, 1047115), (85, 960882), (97, 842010), (102, 800735), (127, 643110), (130, 628269), (170, 480441), (194, 421005), (195, 418846), (221, 369570), (254, 321555), (255, 320294), (291, 280670), (381, 214370), (390, 209423), (442, 184785), (485, 168402), (510, 160147), (582, 140335), (635, 128622), (663, 123190), (762, 107185), (970, 84201), (1105, 73914), (1261, 64770), (1270, 64311), (1326, 61595), (1455, 56134), (1649, 49530), (1651, 49470), (1905, 42874), (2159, 37830), (2210, 36957), (2522, 32385), (2910, 28067), (3298, 24765), (3302, 24735), (3315, 24638), (3783, 21590), (3810, 21437), (4318, 18915), (4947, 16510), (4953, 16490), (6305, 12954), (6477, 12610), (6630, 12319), (7566, 10795), (8245, 9906), (8255, 9894)]