73601820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21521}}^1$

素因数の和:21555

約数の個数: 72

約数和(自身を含む): 235020240

約数和(自身を除く): 161418420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21521, 43042, 64563, 86084, 107605, 129126, 193689, 215210, 258252, 322815, 387378, 408899, 430420, 645630, 774756, 817798, 968445, 1226697, 1291260, 1635596, 1936890, 2044495, 2453394, 3680091, 3873780, 4088990, 4906788, 6133485, 7360182, 8177980, 12266970, 14720364, 18400455, 24533940, 36800910, 73601820]

約数ペア:

[(1, 73601820), (2, 36800910), (3, 24533940), (4, 18400455), (5, 14720364), (6, 12266970), (9, 8177980), (10, 7360182), (12, 6133485), (15, 4906788), (18, 4088990), (19, 3873780), (20, 3680091), (30, 2453394), (36, 2044495), (38, 1936890), (45, 1635596), (57, 1291260), (60, 1226697), (76, 968445), (90, 817798), (95, 774756), (114, 645630), (171, 430420), (180, 408899), (190, 387378), (228, 322815), (285, 258252), (342, 215210), (380, 193689), (570, 129126), (684, 107605), (855, 86084), (1140, 64563), (1710, 43042), (3420, 21521)]