56441580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^2$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 170828112

約数和(自身を除く): 114386532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 269, 390, 538, 780, 807, 1076, 1345, 1614, 2690, 3228, 3497, 4035, 5380, 6994, 8070, 10491, 13988, 16140, 17485, 20982, 34970, 41964, 52455, 69940, 72361, 104910, 144722, 209820, 217083, 289444, 361805, 434166, 723610, 868332, 940693, 1085415, 1447220, 1881386, 2170830, 2822079, 3762772, 4341660, 4703465, 5644158, 9406930, 11288316, 14110395, 18813860, 28220790, 56441580]

約数ペア:

[(1, 56441580), (2, 28220790), (3, 18813860), (4, 14110395), (5, 11288316), (6, 9406930), (10, 5644158), (12, 4703465), (13, 4341660), (15, 3762772), (20, 2822079), (26, 2170830), (30, 1881386), (39, 1447220), (52, 1085415), (60, 940693), (65, 868332), (78, 723610), (130, 434166), (156, 361805), (195, 289444), (260, 217083), (269, 209820), (390, 144722), (538, 104910), (780, 72361), (807, 69940), (1076, 52455), (1345, 41964), (1614, 34970), (2690, 20982), (3228, 17485), (3497, 16140), (4035, 13988), (5380, 10491), (6994, 8070)]