80440620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7933}}^1$

素因数の和:7971

約数の個数: 72

約数和(自身を含む): 243922896

約数和(自身を除く): 163482276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 7933, 10140, 15866, 23799, 31732, 39665, 47598, 79330, 95196, 103129, 118995, 158660, 206258, 237990, 309387, 412516, 475980, 515645, 618774, 1031290, 1237548, 1340677, 1546935, 2062580, 2681354, 3093870, 4022031, 5362708, 6187740, 6703385, 8044062, 13406770, 16088124, 20110155, 26813540, 40220310, 80440620]

約数ペア:

[(1, 80440620), (2, 40220310), (3, 26813540), (4, 20110155), (5, 16088124), (6, 13406770), (10, 8044062), (12, 6703385), (13, 6187740), (15, 5362708), (20, 4022031), (26, 3093870), (30, 2681354), (39, 2062580), (52, 1546935), (60, 1340677), (65, 1237548), (78, 1031290), (130, 618774), (156, 515645), (169, 475980), (195, 412516), (260, 309387), (338, 237990), (390, 206258), (507, 158660), (676, 118995), (780, 103129), (845, 95196), (1014, 79330), (1690, 47598), (2028, 39665), (2535, 31732), (3380, 23799), (5070, 15866), (7933, 10140)]