61537960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 168739200

約数和(自身を除く): 107201240

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 433, 440, 646, 680, 748, 760, 836, 866, 935, 1045, 1292, 1496, 1615, 1672, 1732, 1870, 2090, 2165, 2584, 3230, 3464, 3553, 3740, 4180, 4330, 4763, 6460, 7106, 7361, 7480, 8227, 8360, 8660, 9526, 12920, 14212, 14722, 16454, 17320, 17765, 19052, 23815, 28424, 29444, 32908, 35530, 36805, 38104, 41135, 47630, 58888, 65816, 71060, 73610, 80971, 82270, 90497, 95260, 139859, 142120, 147220, 161942, 164540, 180994, 190520, 279718, 294440, 323884, 329080, 361988, 404855, 452485, 559436, 647768, 699295, 723976, 809710, 904970, 1118872, 1398590, 1538449, 1619420, 1809940, 2797180, 3076898, 3238840, 3619880, 5594360, 6153796, 7692245, 12307592, 15384490, 30768980, 61537960]

約数ペア:

[(1, 61537960), (2, 30768980), (4, 15384490), (5, 12307592), (8, 7692245), (10, 6153796), (11, 5594360), (17, 3619880), (19, 3238840), (20, 3076898), (22, 2797180), (34, 1809940), (38, 1619420), (40, 1538449), (44, 1398590), (55, 1118872), (68, 904970), (76, 809710), (85, 723976), (88, 699295), (95, 647768), (110, 559436), (136, 452485), (152, 404855), (170, 361988), (187, 329080), (190, 323884), (209, 294440), (220, 279718), (323, 190520), (340, 180994), (374, 164540), (380, 161942), (418, 147220), (433, 142120), (440, 139859), (646, 95260), (680, 90497), (748, 82270), (760, 80971), (836, 73610), (866, 71060), (935, 65816), (1045, 58888), (1292, 47630), (1496, 41135), (1615, 38104), (1672, 36805), (1732, 35530), (1870, 32908), (2090, 29444), (2165, 28424), (2584, 23815), (3230, 19052), (3464, 17765), (3553, 17320), (3740, 16454), (4180, 14722), (4330, 14212), (4763, 12920), (6460, 9526), (7106, 8660), (7361, 8360), (7480, 8227)]