1442480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 80

約数和(自身を含む): 3853920

約数和(自身を除く): 2411440

約数列:

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

約数ペア:

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