81332940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 247101120

約数和(自身を除く): 165768180

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, 617, 676, 780, 845, 1014, 1234, 1690, 1851, 2028, 2197, 2468, 2535, 3085, 3380, 3702, 4394, 5070, 6170, 6591, 7404, 8021, 8788, 9255, 10140, 10985, 12340, 13182, 16042, 18510, 21970, 24063, 26364, 32084, 32955, 37020, 40105, 43940, 48126, 65910, 80210, 96252, 104273, 120315, 131820, 160420, 208546, 240630, 312819, 417092, 481260, 521365, 625638, 1042730, 1251276, 1355549, 1564095, 2085460, 2711098, 3128190, 4066647, 5422196, 6256380, 6777745, 8133294, 13555490, 16266588, 20333235, 27110980, 40666470, 81332940]

約数ペア:

[(1, 81332940), (2, 40666470), (3, 27110980), (4, 20333235), (5, 16266588), (6, 13555490), (10, 8133294), (12, 6777745), (13, 6256380), (15, 5422196), (20, 4066647), (26, 3128190), (30, 2711098), (39, 2085460), (52, 1564095), (60, 1355549), (65, 1251276), (78, 1042730), (130, 625638), (156, 521365), (169, 481260), (195, 417092), (260, 312819), (338, 240630), (390, 208546), (507, 160420), (617, 131820), (676, 120315), (780, 104273), (845, 96252), (1014, 80210), (1234, 65910), (1690, 48126), (1851, 43940), (2028, 40105), (2197, 37020), (2468, 32955), (2535, 32084), (3085, 26364), (3380, 24063), (3702, 21970), (4394, 18510), (5070, 16042), (6170, 13182), (6591, 12340), (7404, 10985), (8021, 10140), (8788, 9255)]