513760

素因数分解:

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

素因数の和:60

約数の個数: 72

約数和(自身を含む): 1383480

約数和(自身を除く): 869720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 338, 380, 416, 494, 520, 608, 676, 760, 845, 988, 1040, 1235, 1352, 1520, 1690, 1976, 2080, 2470, 2704, 3040, 3211, 3380, 3952, 4940, 5408, 6422, 6760, 7904, 9880, 12844, 13520, 16055, 19760, 25688, 27040, 32110, 39520, 51376, 64220, 102752, 128440, 256880, 513760]

約数ペア:

[(1, 513760), (2, 256880), (4, 128440), (5, 102752), (8, 64220), (10, 51376), (13, 39520), (16, 32110), (19, 27040), (20, 25688), (26, 19760), (32, 16055), (38, 13520), (40, 12844), (52, 9880), (65, 7904), (76, 6760), (80, 6422), (95, 5408), (104, 4940), (130, 3952), (152, 3380), (160, 3211), (169, 3040), (190, 2704), (208, 2470), (247, 2080), (260, 1976), (304, 1690), (338, 1520), (380, 1352), (416, 1235), (494, 1040), (520, 988), (608, 845), (676, 760)]