15941940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37957}}^1$

素因数の和:37976

約数の個数: 48

約数和(自身を含む): 51015552

約数和(自身を除く): 35073612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37957, 75914, 113871, 151828, 189785, 227742, 265699, 379570, 455484, 531398, 569355, 759140, 797097, 1062796, 1138710, 1328495, 1594194, 2277420, 2656990, 3188388, 3985485, 5313980, 7970970, 15941940]

約数ペア:

[(1, 15941940), (2, 7970970), (3, 5313980), (4, 3985485), (5, 3188388), (6, 2656990), (7, 2277420), (10, 1594194), (12, 1328495), (14, 1138710), (15, 1062796), (20, 797097), (21, 759140), (28, 569355), (30, 531398), (35, 455484), (42, 379570), (60, 265699), (70, 227742), (84, 189785), (105, 151828), (140, 113871), (210, 75914), (420, 37957)]