320255760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121309}}^1$

素因数の和:121336

約数の個数: 80

約数和(自身を含む): 1083055680

約数和(自身を除く): 762799920

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, 121309, 242618, 363927, 485236, 606545, 727854, 970472, 1213090, 1334399, 1455708, 1819635, 1940944, 2426180, 2668798, 2911416, 3639270, 4003197, 4852360, 5337596, 5822832, 6671995, 7278540, 8006394, 9704720, 10675192, 13343990, 14557080, 16012788, 20015985, 21350384, 26687980, 29114160, 32025576, 40031970, 53375960, 64051152, 80063940, 106751920, 160127880, 320255760]

約数ペア:

[(1, 320255760), (2, 160127880), (3, 106751920), (4, 80063940), (5, 64051152), (6, 53375960), (8, 40031970), (10, 32025576), (11, 29114160), (12, 26687980), (15, 21350384), (16, 20015985), (20, 16012788), (22, 14557080), (24, 13343990), (30, 10675192), (33, 9704720), (40, 8006394), (44, 7278540), (48, 6671995), (55, 5822832), (60, 5337596), (66, 4852360), (80, 4003197), (88, 3639270), (110, 2911416), (120, 2668798), (132, 2426180), (165, 1940944), (176, 1819635), (220, 1455708), (240, 1334399), (264, 1213090), (330, 970472), (440, 727854), (528, 606545), (660, 485236), (880, 363927), (1320, 242618), (2640, 121309)]