15281890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 17377310

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 269, 299, 437, 494, 538, 598, 874, 1235, 1345, 1495, 2185, 2470, 2690, 2990, 3497, 4370, 5111, 5681, 6187, 6994, 10222, 11362, 12374, 17485, 25555, 28405, 30935, 34970, 51110, 56810, 61870, 66443, 80431, 117553, 132886, 160862, 235106, 332215, 402155, 587765, 664430, 804310, 1175530, 1528189, 3056378, 7640945, 15281890]

約数ペア:

[(1, 15281890), (2, 7640945), (5, 3056378), (10, 1528189), (13, 1175530), (19, 804310), (23, 664430), (26, 587765), (38, 402155), (46, 332215), (65, 235106), (95, 160862), (115, 132886), (130, 117553), (190, 80431), (230, 66443), (247, 61870), (269, 56810), (299, 51110), (437, 34970), (494, 30935), (538, 28405), (598, 25555), (874, 17485), (1235, 12374), (1345, 11362), (1495, 10222), (2185, 6994), (2470, 6187), (2690, 5681), (2990, 5111), (3497, 4370)]