220505520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1993}}^1$

素因数の和:2470

約数の個数: 80

約数和(自身を含む): 685393632

約数和(自身を除く): 464888112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 461, 922, 1383, 1844, 1993, 2305, 2766, 3688, 3986, 4610, 5532, 5979, 6915, 7376, 7972, 9220, 9965, 11064, 11958, 13830, 15944, 18440, 19930, 22128, 23916, 27660, 29895, 31888, 36880, 39860, 47832, 55320, 59790, 79720, 95664, 110640, 119580, 159440, 239160, 478320, 918773, 1837546, 2756319, 3675092, 4593865, 5512638, 7350184, 9187730, 11025276, 13781595, 14700368, 18375460, 22050552, 27563190, 36750920, 44101104, 55126380, 73501840, 110252760, 220505520]

約数ペア:

[(1, 220505520), (2, 110252760), (3, 73501840), (4, 55126380), (5, 44101104), (6, 36750920), (8, 27563190), (10, 22050552), (12, 18375460), (15, 14700368), (16, 13781595), (20, 11025276), (24, 9187730), (30, 7350184), (40, 5512638), (48, 4593865), (60, 3675092), (80, 2756319), (120, 1837546), (240, 918773), (461, 478320), (922, 239160), (1383, 159440), (1844, 119580), (1993, 110640), (2305, 95664), (2766, 79720), (3688, 59790), (3986, 55320), (4610, 47832), (5532, 39860), (5979, 36880), (6915, 31888), (7376, 29895), (7972, 27660), (9220, 23916), (9965, 22128), (11064, 19930), (11958, 18440), (13830, 15944)]