2884960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 7832160

約数和(自身を除く): 4947200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 73, 76, 80, 95, 104, 130, 146, 152, 160, 190, 208, 247, 260, 292, 304, 365, 380, 416, 494, 520, 584, 608, 730, 760, 949, 988, 1040, 1168, 1235, 1387, 1460, 1520, 1898, 1976, 2080, 2336, 2470, 2774, 2920, 3040, 3796, 3952, 4745, 4940, 5548, 5840, 6935, 7592, 7904, 9490, 9880, 11096, 11680, 13870, 15184, 18031, 18980, 19760, 22192, 27740, 30368, 36062, 37960, 39520, 44384, 55480, 72124, 75920, 90155, 110960, 144248, 151840, 180310, 221920, 288496, 360620, 576992, 721240, 1442480, 2884960]

約数ペア:

[(1, 2884960), (2, 1442480), (4, 721240), (5, 576992), (8, 360620), (10, 288496), (13, 221920), (16, 180310), (19, 151840), (20, 144248), (26, 110960), (32, 90155), (38, 75920), (40, 72124), (52, 55480), (65, 44384), (73, 39520), (76, 37960), (80, 36062), (95, 30368), (104, 27740), (130, 22192), (146, 19760), (152, 18980), (160, 18031), (190, 15184), (208, 13870), (247, 11680), (260, 11096), (292, 9880), (304, 9490), (365, 7904), (380, 7592), (416, 6935), (494, 5840), (520, 5548), (584, 4940), (608, 4745), (730, 3952), (760, 3796), (949, 3040), (988, 2920), (1040, 2774), (1168, 2470), (1235, 2336), (1387, 2080), (1460, 1976), (1520, 1898)]