220145120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1108

約数の個数: 96

約数和(自身を含む): 565820640

約数和(自身を除く): 345675520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 130, 160, 208, 218, 260, 416, 436, 520, 545, 872, 971, 1040, 1090, 1417, 1744, 1942, 2080, 2180, 2834, 3488, 3884, 4360, 4855, 5668, 7085, 7768, 8720, 9710, 11336, 12623, 14170, 15536, 17440, 19420, 22672, 25246, 28340, 31072, 38840, 45344, 50492, 56680, 63115, 77680, 100984, 105839, 113360, 126230, 155360, 201968, 211678, 226720, 252460, 403936, 423356, 504920, 529195, 846712, 1009840, 1058390, 1375907, 1693424, 2019680, 2116780, 2751814, 3386848, 4233560, 5503628, 6879535, 8467120, 11007256, 13759070, 16934240, 22014512, 27518140, 44029024, 55036280, 110072560, 220145120]

約数ペア:

[(1, 220145120), (2, 110072560), (4, 55036280), (5, 44029024), (8, 27518140), (10, 22014512), (13, 16934240), (16, 13759070), (20, 11007256), (26, 8467120), (32, 6879535), (40, 5503628), (52, 4233560), (65, 3386848), (80, 2751814), (104, 2116780), (109, 2019680), (130, 1693424), (160, 1375907), (208, 1058390), (218, 1009840), (260, 846712), (416, 529195), (436, 504920), (520, 423356), (545, 403936), (872, 252460), (971, 226720), (1040, 211678), (1090, 201968), (1417, 155360), (1744, 126230), (1942, 113360), (2080, 105839), (2180, 100984), (2834, 77680), (3488, 63115), (3884, 56680), (4360, 50492), (4855, 45344), (5668, 38840), (7085, 31072), (7768, 28340), (8720, 25246), (9710, 22672), (11336, 19420), (12623, 17440), (14170, 15536)]