55123740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{4861}}^1$

素因数の和:4889

約数の個数: 120

約数和(自身を含む): 197669472

約数和(自身を除く): 142545732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 4861, 5670, 9722, 11340, 14583, 19444, 24305, 29166, 34027, 43749, 48610, 58332, 68054, 72915, 87498, 97220, 102081, 131247, 136108, 145830, 170135, 174996, 204162, 218745, 262494, 291660, 306243, 340270, 393741, 408324, 437490, 510405, 524988, 612486, 656235, 680540, 787482, 874980, 918729, 1020810, 1224972, 1312470, 1531215, 1574964, 1837458, 1968705, 2041620, 2624940, 2756187, 3062430, 3674916, 3937410, 4593645, 5512374, 6124860, 7874820, 9187290, 11024748, 13780935, 18374580, 27561870, 55123740]

約数ペア:

[(1, 55123740), (2, 27561870), (3, 18374580), (4, 13780935), (5, 11024748), (6, 9187290), (7, 7874820), (9, 6124860), (10, 5512374), (12, 4593645), (14, 3937410), (15, 3674916), (18, 3062430), (20, 2756187), (21, 2624940), (27, 2041620), (28, 1968705), (30, 1837458), (35, 1574964), (36, 1531215), (42, 1312470), (45, 1224972), (54, 1020810), (60, 918729), (63, 874980), (70, 787482), (81, 680540), (84, 656235), (90, 612486), (105, 524988), (108, 510405), (126, 437490), (135, 408324), (140, 393741), (162, 340270), (180, 306243), (189, 291660), (210, 262494), (252, 218745), (270, 204162), (315, 174996), (324, 170135), (378, 145830), (405, 136108), (420, 131247), (540, 102081), (567, 97220), (630, 87498), (756, 72915), (810, 68054), (945, 58332), (1134, 48610), (1260, 43749), (1620, 34027), (1890, 29166), (2268, 24305), (2835, 19444), (3780, 14583), (4861, 11340), (5670, 9722)]