2800080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{3889}}^1$

素因数の和:3908

約数の個数: 60

約数和(自身を含む): 9406020

約数和(自身を除く): 6605940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 3889, 7778, 11667, 15556, 19445, 23334, 31112, 35001, 38890, 46668, 58335, 62224, 70002, 77780, 93336, 116670, 140004, 155560, 175005, 186672, 233340, 280008, 311120, 350010, 466680, 560016, 700020, 933360, 1400040, 2800080]

約数ペア:

[(1, 2800080), (2, 1400040), (3, 933360), (4, 700020), (5, 560016), (6, 466680), (8, 350010), (9, 311120), (10, 280008), (12, 233340), (15, 186672), (16, 175005), (18, 155560), (20, 140004), (24, 116670), (30, 93336), (36, 77780), (40, 70002), (45, 62224), (48, 58335), (60, 46668), (72, 38890), (80, 35001), (90, 31112), (120, 23334), (144, 19445), (180, 15556), (240, 11667), (360, 7778), (720, 3889)]