77520560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 195924960

約数和(自身を除く): 118404400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 569, 655, 1040, 1048, 1138, 1310, 1703, 2096, 2276, 2620, 2845, 3406, 4552, 5240, 5690, 6812, 7397, 8515, 9104, 10480, 11380, 13624, 14794, 17030, 22760, 27248, 29588, 34060, 36985, 45520, 59176, 68120, 73970, 74539, 118352, 136240, 147940, 149078, 295880, 298156, 372695, 591760, 596312, 745390, 969007, 1192624, 1490780, 1938014, 2981560, 3876028, 4845035, 5963120, 7752056, 9690070, 15504112, 19380140, 38760280, 77520560]

約数ペア:

[(1, 77520560), (2, 38760280), (4, 19380140), (5, 15504112), (8, 9690070), (10, 7752056), (13, 5963120), (16, 4845035), (20, 3876028), (26, 2981560), (40, 1938014), (52, 1490780), (65, 1192624), (80, 969007), (104, 745390), (130, 596312), (131, 591760), (208, 372695), (260, 298156), (262, 295880), (520, 149078), (524, 147940), (569, 136240), (655, 118352), (1040, 74539), (1048, 73970), (1138, 68120), (1310, 59176), (1703, 45520), (2096, 36985), (2276, 34060), (2620, 29588), (2845, 27248), (3406, 22760), (4552, 17030), (5240, 14794), (5690, 13624), (6812, 11380), (7397, 10480), (8515, 9104)]