77456540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 201223680

約数和(自身を除く): 123767140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 259, 266, 370, 380, 518, 532, 665, 703, 740, 787, 1036, 1295, 1330, 1406, 1574, 2590, 2660, 2812, 3148, 3515, 3935, 4921, 5180, 5509, 7030, 7870, 9842, 11018, 14060, 14953, 15740, 19684, 22036, 24605, 27545, 29119, 29906, 49210, 55090, 58238, 59812, 74765, 98420, 104671, 110180, 116476, 145595, 149530, 203833, 209342, 291190, 299060, 407666, 418684, 523355, 553261, 582380, 815332, 1019165, 1046710, 1106522, 2038330, 2093420, 2213044, 2766305, 3872827, 4076660, 5532610, 7745654, 11065220, 15491308, 19364135, 38728270, 77456540]

約数ペア:

[(1, 77456540), (2, 38728270), (4, 19364135), (5, 15491308), (7, 11065220), (10, 7745654), (14, 5532610), (19, 4076660), (20, 3872827), (28, 2766305), (35, 2213044), (37, 2093420), (38, 2038330), (70, 1106522), (74, 1046710), (76, 1019165), (95, 815332), (133, 582380), (140, 553261), (148, 523355), (185, 418684), (190, 407666), (259, 299060), (266, 291190), (370, 209342), (380, 203833), (518, 149530), (532, 145595), (665, 116476), (703, 110180), (740, 104671), (787, 98420), (1036, 74765), (1295, 59812), (1330, 58238), (1406, 55090), (1574, 49210), (2590, 29906), (2660, 29119), (2812, 27545), (3148, 24605), (3515, 22036), (3935, 19684), (4921, 15740), (5180, 14953), (5509, 14060), (7030, 11018), (7870, 9842)]