15930860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 38208240

約数和(自身を除く): 22277380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 227, 242, 290, 319, 454, 484, 580, 605, 638, 908, 1135, 1210, 1276, 1595, 2270, 2420, 2497, 3190, 3509, 4540, 4994, 6380, 6583, 7018, 9988, 12485, 13166, 14036, 17545, 24970, 26332, 27467, 32915, 35090, 49940, 54934, 65830, 70180, 72413, 109868, 131660, 137335, 144826, 274670, 289652, 362065, 549340, 724130, 796543, 1448260, 1593086, 3186172, 3982715, 7965430, 15930860]

約数ペア:

[(1, 15930860), (2, 7965430), (4, 3982715), (5, 3186172), (10, 1593086), (11, 1448260), (20, 796543), (22, 724130), (29, 549340), (44, 362065), (55, 289652), (58, 274670), (110, 144826), (116, 137335), (121, 131660), (145, 109868), (220, 72413), (227, 70180), (242, 65830), (290, 54934), (319, 49940), (454, 35090), (484, 32915), (580, 27467), (605, 26332), (638, 24970), (908, 17545), (1135, 14036), (1210, 13166), (1276, 12485), (1595, 9988), (2270, 7018), (2420, 6583), (2497, 6380), (3190, 4994), (3509, 4540)]