77734980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13931}}^1$

素因数の和:13977

約数の個数: 72

約数和(自身を含む): 243419904

約数和(自身を除く): 165684924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 13931, 27862, 41793, 55724, 69655, 83586, 125379, 139310, 167172, 208965, 250758, 278620, 417930, 431861, 501516, 626895, 835860, 863722, 1253790, 1295583, 1727444, 2159305, 2507580, 2591166, 3886749, 4318610, 5182332, 6477915, 7773498, 8637220, 12955830, 15546996, 19433745, 25911660, 38867490, 77734980]

約数ペア:

[(1, 77734980), (2, 38867490), (3, 25911660), (4, 19433745), (5, 15546996), (6, 12955830), (9, 8637220), (10, 7773498), (12, 6477915), (15, 5182332), (18, 4318610), (20, 3886749), (30, 2591166), (31, 2507580), (36, 2159305), (45, 1727444), (60, 1295583), (62, 1253790), (90, 863722), (93, 835860), (124, 626895), (155, 501516), (180, 431861), (186, 417930), (279, 278620), (310, 250758), (372, 208965), (465, 167172), (558, 139310), (620, 125379), (930, 83586), (1116, 69655), (1395, 55724), (1860, 41793), (2790, 27862), (5580, 13931)]