80631980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 201434688

約数和(自身を除く): 120802708

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 233, 242, 260, 286, 466, 484, 572, 605, 715, 932, 1165, 1210, 1331, 1430, 1573, 2330, 2420, 2563, 2662, 2860, 3029, 3146, 4660, 5126, 5324, 6058, 6292, 6655, 7865, 10252, 12116, 12815, 13310, 15145, 15730, 17303, 25630, 26620, 28193, 30290, 31460, 33319, 34606, 51260, 56386, 60580, 66638, 69212, 86515, 112772, 133276, 140965, 166595, 173030, 281930, 310123, 333190, 346060, 366509, 563860, 620246, 666380, 733018, 1240492, 1466036, 1550615, 1832545, 3101230, 3665090, 4031599, 6202460, 7330180, 8063198, 16126396, 20157995, 40315990, 80631980]

約数ペア:

[(1, 80631980), (2, 40315990), (4, 20157995), (5, 16126396), (10, 8063198), (11, 7330180), (13, 6202460), (20, 4031599), (22, 3665090), (26, 3101230), (44, 1832545), (52, 1550615), (55, 1466036), (65, 1240492), (110, 733018), (121, 666380), (130, 620246), (143, 563860), (220, 366509), (233, 346060), (242, 333190), (260, 310123), (286, 281930), (466, 173030), (484, 166595), (572, 140965), (605, 133276), (715, 112772), (932, 86515), (1165, 69212), (1210, 66638), (1331, 60580), (1430, 56386), (1573, 51260), (2330, 34606), (2420, 33319), (2563, 31460), (2662, 30290), (2860, 28193), (3029, 26620), (3146, 25630), (4660, 17303), (5126, 15730), (5324, 15145), (6058, 13310), (6292, 12815), (6655, 12116), (7865, 10252)]