38420460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 129739680

約数和(自身を除く): 91319220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 421, 468, 507, 540, 585, 676, 702, 780, 842, 845, 1014, 1170, 1263, 1404, 1521, 1684, 1690, 1755, 2028, 2105, 2340, 2526, 2535, 3042, 3380, 3510, 3789, 4210, 4563, 5052, 5070, 5473, 6084, 6315, 7020, 7578, 7605, 8420, 9126, 10140, 10946, 11367, 12630, 15156, 15210, 16419, 18252, 18945, 21892, 22734, 22815, 25260, 27365, 30420, 32838, 37890, 45468, 45630, 49257, 54730, 56835, 65676, 71149, 75780, 82095, 91260, 98514, 109460, 113670, 142298, 147771, 164190, 197028, 213447, 227340, 246285, 284596, 295542, 328380, 355745, 426894, 492570, 591084, 640341, 711490, 738855, 853788, 985140, 1067235, 1280682, 1422980, 1477710, 1921023, 2134470, 2561364, 2955420, 3201705, 3842046, 4268940, 6403410, 7684092, 9605115, 12806820, 19210230, 38420460]

約数ペア:

[(1, 38420460), (2, 19210230), (3, 12806820), (4, 9605115), (5, 7684092), (6, 6403410), (9, 4268940), (10, 3842046), (12, 3201705), (13, 2955420), (15, 2561364), (18, 2134470), (20, 1921023), (26, 1477710), (27, 1422980), (30, 1280682), (36, 1067235), (39, 985140), (45, 853788), (52, 738855), (54, 711490), (60, 640341), (65, 591084), (78, 492570), (90, 426894), (108, 355745), (117, 328380), (130, 295542), (135, 284596), (156, 246285), (169, 227340), (180, 213447), (195, 197028), (234, 164190), (260, 147771), (270, 142298), (338, 113670), (351, 109460), (390, 98514), (421, 91260), (468, 82095), (507, 75780), (540, 71149), (585, 65676), (676, 56835), (702, 54730), (780, 49257), (842, 45630), (845, 45468), (1014, 37890), (1170, 32838), (1263, 30420), (1404, 27365), (1521, 25260), (1684, 22815), (1690, 22734), (1755, 21892), (2028, 18945), (2105, 18252), (2340, 16419), (2526, 15210), (2535, 15156), (3042, 12630), (3380, 11367), (3510, 10946), (3789, 10140), (4210, 9126), (4563, 8420), (5052, 7605), (5070, 7578), (5473, 7020), (6084, 6315)]