287298180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122777}}^1$

素因数の和:122805

約数の個数: 72

約数和(自身を含む): 938515032

約数和(自身を除く): 651216852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 122777, 245554, 368331, 491108, 613885, 736662, 1104993, 1227770, 1473324, 1596101, 1841655, 2209986, 2455540, 3192202, 3683310, 4419972, 4788303, 5524965, 6384404, 7366620, 7980505, 9576606, 11049930, 14364909, 15961010, 19153212, 22099860, 23941515, 28729818, 31922020, 47883030, 57459636, 71824545, 95766060, 143649090, 287298180]

約数ペア:

[(1, 287298180), (2, 143649090), (3, 95766060), (4, 71824545), (5, 57459636), (6, 47883030), (9, 31922020), (10, 28729818), (12, 23941515), (13, 22099860), (15, 19153212), (18, 15961010), (20, 14364909), (26, 11049930), (30, 9576606), (36, 7980505), (39, 7366620), (45, 6384404), (52, 5524965), (60, 4788303), (65, 4419972), (78, 3683310), (90, 3192202), (117, 2455540), (130, 2209986), (156, 1841655), (180, 1596101), (195, 1473324), (234, 1227770), (260, 1104993), (390, 736662), (468, 613885), (585, 491108), (780, 368331), (1170, 245554), (2340, 122777)]