78834780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25763}}^1$

素因数の和:25795

約数の個数: 72

約数和(自身を含む): 253208592

約数和(自身を除く): 174373812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25763, 51526, 77289, 103052, 128815, 154578, 231867, 257630, 309156, 386445, 437971, 463734, 515260, 772890, 875942, 927468, 1159335, 1313913, 1545780, 1751884, 2189855, 2318670, 2627826, 3941739, 4379710, 4637340, 5255652, 6569565, 7883478, 8759420, 13139130, 15766956, 19708695, 26278260, 39417390, 78834780]

約数ペア:

[(1, 78834780), (2, 39417390), (3, 26278260), (4, 19708695), (5, 15766956), (6, 13139130), (9, 8759420), (10, 7883478), (12, 6569565), (15, 5255652), (17, 4637340), (18, 4379710), (20, 3941739), (30, 2627826), (34, 2318670), (36, 2189855), (45, 1751884), (51, 1545780), (60, 1313913), (68, 1159335), (85, 927468), (90, 875942), (102, 772890), (153, 515260), (170, 463734), (180, 437971), (204, 386445), (255, 309156), (306, 257630), (340, 231867), (510, 154578), (612, 128815), (765, 103052), (1020, 77289), (1530, 51526), (3060, 25763)]