8513940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 25375392

約数和(自身を除く): 16861452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 491, 510, 578, 867, 982, 1020, 1156, 1445, 1473, 1734, 1964, 2455, 2890, 2946, 3468, 4335, 4910, 5780, 5892, 7365, 8347, 8670, 9820, 14730, 16694, 17340, 25041, 29460, 33388, 41735, 50082, 83470, 100164, 125205, 141899, 166940, 250410, 283798, 425697, 500820, 567596, 709495, 851394, 1418990, 1702788, 2128485, 2837980, 4256970, 8513940]

約数ペア:

[(1, 8513940), (2, 4256970), (3, 2837980), (4, 2128485), (5, 1702788), (6, 1418990), (10, 851394), (12, 709495), (15, 567596), (17, 500820), (20, 425697), (30, 283798), (34, 250410), (51, 166940), (60, 141899), (68, 125205), (85, 100164), (102, 83470), (170, 50082), (204, 41735), (255, 33388), (289, 29460), (340, 25041), (491, 17340), (510, 16694), (578, 14730), (867, 9820), (982, 8670), (1020, 8347), (1156, 7365), (1445, 5892), (1473, 5780), (1734, 4910), (1964, 4335), (2455, 3468), (2890, 2946)]