78177900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15329}}^1$

素因数の和:15363

約数の個数: 72

約数和(自身を含む): 239515920

約数和(自身を除く): 161338020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 15329, 30658, 45987, 61316, 76645, 91974, 153290, 183948, 229935, 260593, 306580, 383225, 459870, 521186, 766450, 781779, 919740, 1042372, 1149675, 1302965, 1532900, 1563558, 2299350, 2605930, 3127116, 3908895, 4598700, 5211860, 6514825, 7817790, 13029650, 15635580, 19544475, 26059300, 39088950, 78177900]

約数ペア:

[(1, 78177900), (2, 39088950), (3, 26059300), (4, 19544475), (5, 15635580), (6, 13029650), (10, 7817790), (12, 6514825), (15, 5211860), (17, 4598700), (20, 3908895), (25, 3127116), (30, 2605930), (34, 2299350), (50, 1563558), (51, 1532900), (60, 1302965), (68, 1149675), (75, 1042372), (85, 919740), (100, 781779), (102, 766450), (150, 521186), (170, 459870), (204, 383225), (255, 306580), (300, 260593), (340, 229935), (425, 183948), (510, 153290), (850, 91974), (1020, 76645), (1275, 61316), (1700, 45987), (2550, 30658), (5100, 15329)]