261956760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12917}}^1$

素因数の和:12957

約数の個数: 96

約数和(自身を含む): 851037840

約数和(自身を除く): 589081080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4056, 5070, 6760, 10140, 12917, 20280, 25834, 38751, 51668, 64585, 77502, 103336, 129170, 155004, 167921, 193755, 258340, 310008, 335842, 387510, 503763, 516680, 671684, 775020, 839605, 1007526, 1343368, 1550040, 1679210, 2015052, 2182973, 2518815, 3358420, 4030104, 4365946, 5037630, 6548919, 6716840, 8731892, 10075260, 10914865, 13097838, 17463784, 20150520, 21829730, 26195676, 32744595, 43659460, 52391352, 65489190, 87318920, 130978380, 261956760]

約数ペア:

[(1, 261956760), (2, 130978380), (3, 87318920), (4, 65489190), (5, 52391352), (6, 43659460), (8, 32744595), (10, 26195676), (12, 21829730), (13, 20150520), (15, 17463784), (20, 13097838), (24, 10914865), (26, 10075260), (30, 8731892), (39, 6716840), (40, 6548919), (52, 5037630), (60, 4365946), (65, 4030104), (78, 3358420), (104, 2518815), (120, 2182973), (130, 2015052), (156, 1679210), (169, 1550040), (195, 1343368), (260, 1007526), (312, 839605), (338, 775020), (390, 671684), (507, 516680), (520, 503763), (676, 387510), (780, 335842), (845, 310008), (1014, 258340), (1352, 193755), (1560, 167921), (1690, 155004), (2028, 129170), (2535, 103336), (3380, 77502), (4056, 64585), (5070, 51668), (6760, 38751), (10140, 25834), (12917, 20280)]