42789680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 107028864

約数和(自身を除く): 64239184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 292, 340, 365, 431, 584, 680, 730, 862, 1168, 1241, 1360, 1460, 1724, 2155, 2482, 2920, 3448, 4310, 4964, 5840, 6205, 6896, 7327, 8620, 9928, 12410, 14654, 17240, 19856, 24820, 29308, 31463, 34480, 36635, 49640, 58616, 62926, 73270, 99280, 117232, 125852, 146540, 157315, 251704, 293080, 314630, 503408, 534871, 586160, 629260, 1069742, 1258520, 2139484, 2517040, 2674355, 4278968, 5348710, 8557936, 10697420, 21394840, 42789680]

約数ペア:

[(1, 42789680), (2, 21394840), (4, 10697420), (5, 8557936), (8, 5348710), (10, 4278968), (16, 2674355), (17, 2517040), (20, 2139484), (34, 1258520), (40, 1069742), (68, 629260), (73, 586160), (80, 534871), (85, 503408), (136, 314630), (146, 293080), (170, 251704), (272, 157315), (292, 146540), (340, 125852), (365, 117232), (431, 99280), (584, 73270), (680, 62926), (730, 58616), (862, 49640), (1168, 36635), (1241, 34480), (1360, 31463), (1460, 29308), (1724, 24820), (2155, 19856), (2482, 17240), (2920, 14654), (3448, 12410), (4310, 9928), (4964, 8620), (5840, 7327), (6205, 6896)]