28732380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1657}}^1$

素因数の和:1703

約数の個数: 72

約数和(自身を含む): 85513008

約数和(自身を除く): 56780628

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, 510, 578, 867, 1020, 1156, 1445, 1657, 1734, 2890, 3314, 3468, 4335, 4971, 5780, 6628, 8285, 8670, 9942, 16570, 17340, 19884, 24855, 28169, 33140, 49710, 56338, 84507, 99420, 112676, 140845, 169014, 281690, 338028, 422535, 478873, 563380, 845070, 957746, 1436619, 1690140, 1915492, 2394365, 2873238, 4788730, 5746476, 7183095, 9577460, 14366190, 28732380]

約数ペア:

[(1, 28732380), (2, 14366190), (3, 9577460), (4, 7183095), (5, 5746476), (6, 4788730), (10, 2873238), (12, 2394365), (15, 1915492), (17, 1690140), (20, 1436619), (30, 957746), (34, 845070), (51, 563380), (60, 478873), (68, 422535), (85, 338028), (102, 281690), (170, 169014), (204, 140845), (255, 112676), (289, 99420), (340, 84507), (510, 56338), (578, 49710), (867, 33140), (1020, 28169), (1156, 24855), (1445, 19884), (1657, 17340), (1734, 16570), (2890, 9942), (3314, 8670), (3468, 8285), (4335, 6628), (4971, 5780)]