65551980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2711}}^1$

素因数の和:2767

約数の個数: 96

約数和(自身を含む): 204115968

約数和(自身を除く): 138563988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 2711, 4030, 4836, 5422, 6045, 8060, 8133, 10844, 12090, 13555, 16266, 24180, 27110, 32532, 35243, 40665, 54220, 70486, 81330, 84041, 105729, 140972, 162660, 168082, 176215, 211458, 252123, 336164, 352430, 420205, 422916, 504246, 528645, 704860, 840410, 1008492, 1057290, 1092533, 1260615, 1680820, 2114580, 2185066, 2521230, 3277599, 4370132, 5042460, 5462665, 6555198, 10925330, 13110396, 16387995, 21850660, 32775990, 65551980]

約数ペア:

[(1, 65551980), (2, 32775990), (3, 21850660), (4, 16387995), (5, 13110396), (6, 10925330), (10, 6555198), (12, 5462665), (13, 5042460), (15, 4370132), (20, 3277599), (26, 2521230), (30, 2185066), (31, 2114580), (39, 1680820), (52, 1260615), (60, 1092533), (62, 1057290), (65, 1008492), (78, 840410), (93, 704860), (124, 528645), (130, 504246), (155, 422916), (156, 420205), (186, 352430), (195, 336164), (260, 252123), (310, 211458), (372, 176215), (390, 168082), (403, 162660), (465, 140972), (620, 105729), (780, 84041), (806, 81330), (930, 70486), (1209, 54220), (1612, 40665), (1860, 35243), (2015, 32532), (2418, 27110), (2711, 24180), (4030, 16266), (4836, 13555), (5422, 12090), (6045, 10844), (8060, 8133)]