28343280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16871}}^1$

素因数の和:16894

約数の個数: 80

約数和(自身を含む): 100422144

約数和(自身を除く): 72078864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16871, 33742, 50613, 67484, 84355, 101226, 118097, 134968, 168710, 202452, 236194, 253065, 269936, 337420, 354291, 404904, 472388, 506130, 590485, 674840, 708582, 809808, 944776, 1012260, 1180970, 1349680, 1417164, 1771455, 1889552, 2024520, 2361940, 2834328, 3542910, 4049040, 4723880, 5668656, 7085820, 9447760, 14171640, 28343280]

約数ペア:

[(1, 28343280), (2, 14171640), (3, 9447760), (4, 7085820), (5, 5668656), (6, 4723880), (7, 4049040), (8, 3542910), (10, 2834328), (12, 2361940), (14, 2024520), (15, 1889552), (16, 1771455), (20, 1417164), (21, 1349680), (24, 1180970), (28, 1012260), (30, 944776), (35, 809808), (40, 708582), (42, 674840), (48, 590485), (56, 506130), (60, 472388), (70, 404904), (80, 354291), (84, 337420), (105, 269936), (112, 253065), (120, 236194), (140, 202452), (168, 168710), (210, 134968), (240, 118097), (280, 101226), (336, 84355), (420, 67484), (560, 50613), (840, 33742), (1680, 16871)]