18989640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{5861}}^1$

素因数の和:5884

約数の個数: 80

約数和(自身を含む): 63837180

約数和(自身を除く): 44847540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 5861, 11722, 17583, 23444, 29305, 35166, 46888, 52749, 58610, 70332, 87915, 105498, 117220, 140664, 158247, 175830, 210996, 234440, 263745, 316494, 351660, 421992, 474741, 527490, 632988, 703320, 791235, 949482, 1054980, 1265976, 1582470, 1898964, 2109960, 2373705, 3164940, 3797928, 4747410, 6329880, 9494820, 18989640]

約数ペア:

[(1, 18989640), (2, 9494820), (3, 6329880), (4, 4747410), (5, 3797928), (6, 3164940), (8, 2373705), (9, 2109960), (10, 1898964), (12, 1582470), (15, 1265976), (18, 1054980), (20, 949482), (24, 791235), (27, 703320), (30, 632988), (36, 527490), (40, 474741), (45, 421992), (54, 351660), (60, 316494), (72, 263745), (81, 234440), (90, 210996), (108, 175830), (120, 158247), (135, 140664), (162, 117220), (180, 105498), (216, 87915), (270, 70332), (324, 58610), (360, 52749), (405, 46888), (540, 35166), (648, 29305), (810, 23444), (1080, 17583), (1620, 11722), (3240, 5861)]