87032920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 145210280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 380, 383, 437, 460, 494, 520, 598, 760, 766, 874, 920, 988, 1196, 1235, 1495, 1532, 1748, 1915, 1976, 2185, 2392, 2470, 2990, 3064, 3496, 3830, 4370, 4940, 4979, 5681, 5980, 7277, 7660, 8740, 8809, 9880, 9958, 11362, 11960, 14554, 15320, 17480, 17618, 19916, 22724, 24895, 28405, 29108, 35236, 36385, 39832, 44045, 45448, 49790, 56810, 58216, 70472, 72770, 88090, 94601, 99580, 113620, 114517, 145540, 167371, 176180, 189202, 199160, 227240, 229034, 291080, 334742, 352360, 378404, 458068, 473005, 572585, 669484, 756808, 836855, 916136, 946010, 1145170, 1338968, 1673710, 1892020, 2175823, 2290340, 3347420, 3784040, 4351646, 4580680, 6694840, 8703292, 10879115, 17406584, 21758230, 43516460, 87032920]

約数ペア:

[(1, 87032920), (2, 43516460), (4, 21758230), (5, 17406584), (8, 10879115), (10, 8703292), (13, 6694840), (19, 4580680), (20, 4351646), (23, 3784040), (26, 3347420), (38, 2290340), (40, 2175823), (46, 1892020), (52, 1673710), (65, 1338968), (76, 1145170), (92, 946010), (95, 916136), (104, 836855), (115, 756808), (130, 669484), (152, 572585), (184, 473005), (190, 458068), (230, 378404), (247, 352360), (260, 334742), (299, 291080), (380, 229034), (383, 227240), (437, 199160), (460, 189202), (494, 176180), (520, 167371), (598, 145540), (760, 114517), (766, 113620), (874, 99580), (920, 94601), (988, 88090), (1196, 72770), (1235, 70472), (1495, 58216), (1532, 56810), (1748, 49790), (1915, 45448), (1976, 44045), (2185, 39832), (2392, 36385), (2470, 35236), (2990, 29108), (3064, 28405), (3496, 24895), (3830, 22724), (4370, 19916), (4940, 17618), (4979, 17480), (5681, 15320), (5980, 14554), (7277, 11960), (7660, 11362), (8740, 9958), (8809, 9880)]