19778280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3833}}^1$

素因数の和:3890

約数の個数: 64

約数和(自身を含む): 60730560

約数和(自身を除く): 40952280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3833, 5160, 7666, 11499, 15332, 19165, 22998, 30664, 38330, 45996, 57495, 76660, 91992, 114990, 153320, 164819, 229980, 329638, 459960, 494457, 659276, 824095, 988914, 1318552, 1648190, 1977828, 2472285, 3296380, 3955656, 4944570, 6592760, 9889140, 19778280]

約数ペア:

[(1, 19778280), (2, 9889140), (3, 6592760), (4, 4944570), (5, 3955656), (6, 3296380), (8, 2472285), (10, 1977828), (12, 1648190), (15, 1318552), (20, 988914), (24, 824095), (30, 659276), (40, 494457), (43, 459960), (60, 329638), (86, 229980), (120, 164819), (129, 153320), (172, 114990), (215, 91992), (258, 76660), (344, 57495), (430, 45996), (516, 38330), (645, 30664), (860, 22998), (1032, 19165), (1290, 15332), (1720, 11499), (2580, 7666), (3833, 5160)]