280713840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{106331}}^1$

素因数の和:106358

約数の個数: 80

約数和(自身を含む): 949332096

約数和(自身を除く): 668618256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 106331, 212662, 318993, 425324, 531655, 637986, 850648, 1063310, 1169641, 1275972, 1594965, 1701296, 2126620, 2339282, 2551944, 3189930, 3508923, 4253240, 4678564, 5103888, 5848205, 6379860, 7017846, 8506480, 9357128, 11696410, 12759720, 14035692, 17544615, 18714256, 23392820, 25519440, 28071384, 35089230, 46785640, 56142768, 70178460, 93571280, 140356920, 280713840]

約数ペア:

[(1, 280713840), (2, 140356920), (3, 93571280), (4, 70178460), (5, 56142768), (6, 46785640), (8, 35089230), (10, 28071384), (11, 25519440), (12, 23392820), (15, 18714256), (16, 17544615), (20, 14035692), (22, 12759720), (24, 11696410), (30, 9357128), (33, 8506480), (40, 7017846), (44, 6379860), (48, 5848205), (55, 5103888), (60, 4678564), (66, 4253240), (80, 3508923), (88, 3189930), (110, 2551944), (120, 2339282), (132, 2126620), (165, 1701296), (176, 1594965), (220, 1275972), (240, 1169641), (264, 1063310), (330, 850648), (440, 637986), (528, 531655), (660, 425324), (880, 318993), (1320, 212662), (2640, 106331)]