77945780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 185902080

約数和(自身を除く): 107956300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1039, 1210, 1364, 1705, 2078, 2420, 3410, 3751, 4156, 5195, 6820, 7502, 10390, 11429, 15004, 18755, 20780, 22858, 32209, 37510, 45716, 57145, 64418, 75020, 114290, 125719, 128836, 161045, 228580, 251438, 322090, 354299, 502876, 628595, 644180, 708598, 1257190, 1417196, 1771495, 2514380, 3542990, 3897289, 7085980, 7794578, 15589156, 19486445, 38972890, 77945780]

約数ペア:

[(1, 77945780), (2, 38972890), (4, 19486445), (5, 15589156), (10, 7794578), (11, 7085980), (20, 3897289), (22, 3542990), (31, 2514380), (44, 1771495), (55, 1417196), (62, 1257190), (110, 708598), (121, 644180), (124, 628595), (155, 502876), (220, 354299), (242, 322090), (310, 251438), (341, 228580), (484, 161045), (605, 128836), (620, 125719), (682, 114290), (1039, 75020), (1210, 64418), (1364, 57145), (1705, 45716), (2078, 37510), (2420, 32209), (3410, 22858), (3751, 20780), (4156, 18755), (5195, 15004), (6820, 11429), (7502, 10390)]