66990597760

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{2281}}^1$

素因数の和:2830

約数の個数: 128

約数和(自身を含む): 162073573200

約数和(自身を除く): 95082975440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 421, 436, 545, 640, 842, 872, 1090, 1684, 1744, 2105, 2180, 2281, 3368, 3488, 4210, 4360, 4562, 6736, 6976, 8420, 8720, 9124, 11405, 13472, 13952, 16840, 17440, 18248, 22810, 26944, 33680, 34880, 36496, 45620, 45889, 53888, 67360, 69760, 72992, 91240, 91778, 134720, 145984, 182480, 183556, 229445, 248629, 269440, 291968, 364960, 367112, 458890, 497258, 729920, 734224, 917780, 960301, 994516, 1243145, 1459840, 1468448, 1835560, 1920602, 1989032, 2486290, 2936896, 3671120, 3841204, 3978064, 4801505, 4972580, 5873792, 7342240, 7682408, 7956128, 9603010, 9945160, 14684480, 15364816, 15912256, 19206020, 19890320, 29368960, 30729632, 31824512, 38412040, 39780640, 61459264, 76824080, 79561280, 104672809, 122918528, 153648160, 159122560, 209345618, 307296320, 418691236, 523364045, 614592640, 837382472, 1046728090, 1674764944, 2093456180, 3349529888, 4186912360, 6699059776, 8373824720, 13398119552, 16747649440, 33495298880, 66990597760]

約数ペア:

[(1, 66990597760), (2, 33495298880), (4, 16747649440), (5, 13398119552), (8, 8373824720), (10, 6699059776), (16, 4186912360), (20, 3349529888), (32, 2093456180), (40, 1674764944), (64, 1046728090), (80, 837382472), (109, 614592640), (128, 523364045), (160, 418691236), (218, 307296320), (320, 209345618), (421, 159122560), (436, 153648160), (545, 122918528), (640, 104672809), (842, 79561280), (872, 76824080), (1090, 61459264), (1684, 39780640), (1744, 38412040), (2105, 31824512), (2180, 30729632), (2281, 29368960), (3368, 19890320), (3488, 19206020), (4210, 15912256), (4360, 15364816), (4562, 14684480), (6736, 9945160), (6976, 9603010), (8420, 7956128), (8720, 7682408), (9124, 7342240), (11405, 5873792), (13472, 4972580), (13952, 4801505), (16840, 3978064), (17440, 3841204), (18248, 3671120), (22810, 2936896), (26944, 2486290), (33680, 1989032), (34880, 1920602), (36496, 1835560), (45620, 1468448), (45889, 1459840), (53888, 1243145), (67360, 994516), (69760, 960301), (72992, 917780), (91240, 734224), (91778, 729920), (134720, 497258), (145984, 458890), (182480, 367112), (183556, 364960), (229445, 291968), (248629, 269440)]