87964740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6883}}^1$

素因数の和:6969

約数の個数: 72

約数和(自身を含む): 270623808

約数和(自身を除く): 182659068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6883, 12780, 13766, 20649, 27532, 34415, 41298, 61947, 68830, 82596, 103245, 123894, 137660, 206490, 247788, 309735, 412980, 488693, 619470, 977386, 1238940, 1466079, 1954772, 2443465, 2932158, 4398237, 4886930, 5864316, 7330395, 8796474, 9773860, 14660790, 17592948, 21991185, 29321580, 43982370, 87964740]

約数ペア:

[(1, 87964740), (2, 43982370), (3, 29321580), (4, 21991185), (5, 17592948), (6, 14660790), (9, 9773860), (10, 8796474), (12, 7330395), (15, 5864316), (18, 4886930), (20, 4398237), (30, 2932158), (36, 2443465), (45, 1954772), (60, 1466079), (71, 1238940), (90, 977386), (142, 619470), (180, 488693), (213, 412980), (284, 309735), (355, 247788), (426, 206490), (639, 137660), (710, 123894), (852, 103245), (1065, 82596), (1278, 68830), (1420, 61947), (2130, 41298), (2556, 34415), (3195, 27532), (4260, 20649), (6390, 13766), (6883, 12780)]