77565280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 200037600

約数和(自身を除く): 122472320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 104, 130, 160, 178, 208, 260, 356, 416, 419, 445, 520, 712, 838, 890, 1040, 1157, 1424, 1676, 1780, 2080, 2095, 2314, 2848, 3352, 3560, 4190, 4628, 5447, 5785, 6704, 7120, 8380, 9256, 10894, 11570, 13408, 14240, 16760, 18512, 21788, 23140, 27235, 33520, 37024, 37291, 43576, 46280, 54470, 67040, 74582, 87152, 92560, 108940, 149164, 174304, 185120, 186455, 217880, 298328, 372910, 435760, 484783, 596656, 745820, 871520, 969566, 1193312, 1491640, 1939132, 2423915, 2983280, 3878264, 4847830, 5966560, 7756528, 9695660, 15513056, 19391320, 38782640, 77565280]

約数ペア:

[(1, 77565280), (2, 38782640), (4, 19391320), (5, 15513056), (8, 9695660), (10, 7756528), (13, 5966560), (16, 4847830), (20, 3878264), (26, 2983280), (32, 2423915), (40, 1939132), (52, 1491640), (65, 1193312), (80, 969566), (89, 871520), (104, 745820), (130, 596656), (160, 484783), (178, 435760), (208, 372910), (260, 298328), (356, 217880), (416, 186455), (419, 185120), (445, 174304), (520, 149164), (712, 108940), (838, 92560), (890, 87152), (1040, 74582), (1157, 67040), (1424, 54470), (1676, 46280), (1780, 43576), (2080, 37291), (2095, 37024), (2314, 33520), (2848, 27235), (3352, 23140), (3560, 21788), (4190, 18512), (4628, 16760), (5447, 14240), (5785, 13408), (6704, 11570), (7120, 10894), (8380, 9256)]