128040720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14419}}^1$

素因数の和:14472

約数の個数: 80

約数和(自身を含む): 407682240

約数和(自身を除く): 279641520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 14419, 28838, 43257, 57676, 72095, 86514, 115352, 144190, 173028, 216285, 230704, 288380, 346056, 432570, 533503, 576760, 692112, 865140, 1067006, 1153520, 1600509, 1730280, 2134012, 2667515, 3201018, 3460560, 4268024, 5335030, 6402036, 8002545, 8536048, 10670060, 12804072, 16005090, 21340120, 25608144, 32010180, 42680240, 64020360, 128040720]

約数ペア:

[(1, 128040720), (2, 64020360), (3, 42680240), (4, 32010180), (5, 25608144), (6, 21340120), (8, 16005090), (10, 12804072), (12, 10670060), (15, 8536048), (16, 8002545), (20, 6402036), (24, 5335030), (30, 4268024), (37, 3460560), (40, 3201018), (48, 2667515), (60, 2134012), (74, 1730280), (80, 1600509), (111, 1153520), (120, 1067006), (148, 865140), (185, 692112), (222, 576760), (240, 533503), (296, 432570), (370, 346056), (444, 288380), (555, 230704), (592, 216285), (740, 173028), (888, 144190), (1110, 115352), (1480, 86514), (1776, 72095), (2220, 57676), (2960, 43257), (4440, 28838), (8880, 14419)]