263118520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 722856960

約数和(自身を除く): 459738440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 167, 170, 238, 280, 331, 334, 340, 476, 595, 662, 668, 680, 835, 952, 1169, 1190, 1324, 1336, 1655, 1670, 2317, 2338, 2380, 2648, 2839, 3310, 3340, 4634, 4676, 4760, 5627, 5678, 5845, 6620, 6680, 9268, 9352, 11254, 11356, 11585, 11690, 13240, 14195, 18536, 19873, 22508, 22712, 23170, 23380, 28135, 28390, 39389, 39746, 45016, 46340, 46760, 55277, 56270, 56780, 78778, 79492, 92680, 99365, 110554, 112540, 113560, 157556, 158984, 196945, 198730, 221108, 225080, 276385, 315112, 386939, 393890, 397460, 442216, 552770, 773878, 787780, 794920, 939709, 1105540, 1547756, 1575560, 1879418, 1934695, 2211080, 3095512, 3758836, 3869390, 4698545, 6577963, 7517672, 7738780, 9397090, 13155926, 15477560, 18794180, 26311852, 32889815, 37588360, 52623704, 65779630, 131559260, 263118520]

約数ペア:

[(1, 263118520), (2, 131559260), (4, 65779630), (5, 52623704), (7, 37588360), (8, 32889815), (10, 26311852), (14, 18794180), (17, 15477560), (20, 13155926), (28, 9397090), (34, 7738780), (35, 7517672), (40, 6577963), (56, 4698545), (68, 3869390), (70, 3758836), (85, 3095512), (119, 2211080), (136, 1934695), (140, 1879418), (167, 1575560), (170, 1547756), (238, 1105540), (280, 939709), (331, 794920), (334, 787780), (340, 773878), (476, 552770), (595, 442216), (662, 397460), (668, 393890), (680, 386939), (835, 315112), (952, 276385), (1169, 225080), (1190, 221108), (1324, 198730), (1336, 196945), (1655, 158984), (1670, 157556), (2317, 113560), (2338, 112540), (2380, 110554), (2648, 99365), (2839, 92680), (3310, 79492), (3340, 78778), (4634, 56780), (4676, 56270), (4760, 55277), (5627, 46760), (5678, 46340), (5845, 45016), (6620, 39746), (6680, 39389), (9268, 28390), (9352, 28135), (11254, 23380), (11356, 23170), (11585, 22712), (11690, 22508), (13240, 19873), (14195, 18536)]