1669720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 64

約数和(自身を含む): 4284000

約数和(自身を除く): 2614280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 380, 494, 520, 676, 760, 845, 988, 1235, 1352, 1690, 1976, 2197, 2470, 3211, 3380, 4394, 4940, 6422, 6760, 8788, 9880, 10985, 12844, 16055, 17576, 21970, 25688, 32110, 41743, 43940, 64220, 83486, 87880, 128440, 166972, 208715, 333944, 417430, 834860, 1669720]

約数ペア:

[(1, 1669720), (2, 834860), (4, 417430), (5, 333944), (8, 208715), (10, 166972), (13, 128440), (19, 87880), (20, 83486), (26, 64220), (38, 43940), (40, 41743), (52, 32110), (65, 25688), (76, 21970), (95, 17576), (104, 16055), (130, 12844), (152, 10985), (169, 9880), (190, 8788), (247, 6760), (260, 6422), (338, 4940), (380, 4394), (494, 3380), (520, 3211), (676, 2470), (760, 2197), (845, 1976), (988, 1690), (1235, 1352)]