19851600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 64763712

約数和(自身を除く): 44912112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 71, 75, 80, 100, 120, 142, 150, 200, 213, 233, 240, 284, 300, 355, 400, 426, 466, 568, 600, 699, 710, 852, 932, 1065, 1136, 1165, 1200, 1398, 1420, 1704, 1775, 1864, 2130, 2330, 2796, 2840, 3408, 3495, 3550, 3728, 4260, 4660, 5325, 5592, 5680, 5825, 6990, 7100, 8520, 9320, 10650, 11184, 11650, 13980, 14200, 16543, 17040, 17475, 18640, 21300, 23300, 27960, 28400, 33086, 34950, 42600, 46600, 49629, 55920, 66172, 69900, 82715, 85200, 93200, 99258, 132344, 139800, 165430, 198516, 248145, 264688, 279600, 330860, 397032, 413575, 496290, 661720, 794064, 827150, 992580, 1240725, 1323440, 1654300, 1985160, 2481450, 3308600, 3970320, 4962900, 6617200, 9925800, 19851600]

約数ペア:

[(1, 19851600), (2, 9925800), (3, 6617200), (4, 4962900), (5, 3970320), (6, 3308600), (8, 2481450), (10, 1985160), (12, 1654300), (15, 1323440), (16, 1240725), (20, 992580), (24, 827150), (25, 794064), (30, 661720), (40, 496290), (48, 413575), (50, 397032), (60, 330860), (71, 279600), (75, 264688), (80, 248145), (100, 198516), (120, 165430), (142, 139800), (150, 132344), (200, 99258), (213, 93200), (233, 85200), (240, 82715), (284, 69900), (300, 66172), (355, 55920), (400, 49629), (426, 46600), (466, 42600), (568, 34950), (600, 33086), (699, 28400), (710, 27960), (852, 23300), (932, 21300), (1065, 18640), (1136, 17475), (1165, 17040), (1200, 16543), (1398, 14200), (1420, 13980), (1704, 11650), (1775, 11184), (1864, 10650), (2130, 9320), (2330, 8520), (2796, 7100), (2840, 6990), (3408, 5825), (3495, 5680), (3550, 5592), (3728, 5325), (4260, 4660)]