78993900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 144

約数和(自身を含む): 269045280

約数和(自身を除く): 190051380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 85, 90, 100, 102, 108, 135, 150, 153, 170, 180, 204, 225, 255, 270, 300, 306, 340, 425, 450, 459, 510, 540, 612, 675, 765, 850, 900, 918, 1020, 1275, 1350, 1530, 1700, 1721, 1836, 2295, 2550, 2700, 3060, 3442, 3825, 4590, 5100, 5163, 6884, 7650, 8605, 9180, 10326, 11475, 15300, 15489, 17210, 20652, 22950, 25815, 29257, 30978, 34420, 43025, 45900, 46467, 51630, 58514, 61956, 77445, 86050, 87771, 92934, 103260, 117028, 129075, 146285, 154890, 172100, 175542, 185868, 232335, 258150, 263313, 292570, 309780, 351084, 387225, 438855, 464670, 516300, 526626, 585140, 731425, 774450, 789939, 877710, 929340, 1053252, 1161675, 1316565, 1462850, 1548900, 1579878, 1755420, 2194275, 2323350, 2633130, 2925700, 3159756, 3949695, 4388550, 4646700, 5266260, 6582825, 7899390, 8777100, 13165650, 15798780, 19748475, 26331300, 39496950, 78993900]

約数ペア:

[(1, 78993900), (2, 39496950), (3, 26331300), (4, 19748475), (5, 15798780), (6, 13165650), (9, 8777100), (10, 7899390), (12, 6582825), (15, 5266260), (17, 4646700), (18, 4388550), (20, 3949695), (25, 3159756), (27, 2925700), (30, 2633130), (34, 2323350), (36, 2194275), (45, 1755420), (50, 1579878), (51, 1548900), (54, 1462850), (60, 1316565), (68, 1161675), (75, 1053252), (85, 929340), (90, 877710), (100, 789939), (102, 774450), (108, 731425), (135, 585140), (150, 526626), (153, 516300), (170, 464670), (180, 438855), (204, 387225), (225, 351084), (255, 309780), (270, 292570), (300, 263313), (306, 258150), (340, 232335), (425, 185868), (450, 175542), (459, 172100), (510, 154890), (540, 146285), (612, 129075), (675, 117028), (765, 103260), (850, 92934), (900, 87771), (918, 86050), (1020, 77445), (1275, 61956), (1350, 58514), (1530, 51630), (1700, 46467), (1721, 45900), (1836, 43025), (2295, 34420), (2550, 30978), (2700, 29257), (3060, 25815), (3442, 22950), (3825, 20652), (4590, 17210), (5100, 15489), (5163, 15300), (6884, 11475), (7650, 10326), (8605, 9180)]