73979920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 160

約数和(自身を含む): 219628800

約数和(自身を除く): 145648880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 170, 190, 238, 266, 272, 280, 304, 323, 340, 380, 409, 476, 532, 560, 595, 646, 665, 680, 760, 818, 952, 1064, 1190, 1292, 1330, 1360, 1520, 1615, 1636, 1904, 2045, 2128, 2261, 2380, 2584, 2660, 2863, 3230, 3272, 4090, 4522, 4760, 5168, 5320, 5726, 6460, 6544, 6953, 7771, 8180, 9044, 9520, 10640, 11305, 11452, 12920, 13906, 14315, 15542, 16360, 18088, 22610, 22904, 25840, 27812, 28630, 31084, 32720, 34765, 36176, 38855, 45220, 45808, 48671, 54397, 55624, 57260, 62168, 69530, 77710, 90440, 97342, 108794, 111248, 114520, 124336, 132107, 139060, 155420, 180880, 194684, 217588, 229040, 243355, 264214, 271985, 278120, 310840, 389368, 435176, 486710, 528428, 543970, 556240, 621680, 660535, 778736, 870352, 924749, 973420, 1056856, 1087940, 1321070, 1849498, 1946840, 2113712, 2175880, 2642140, 3698996, 3893680, 4351760, 4623745, 5284280, 7397992, 9247490, 10568560, 14795984, 18494980, 36989960, 73979920]

約数ペア:

[(1, 73979920), (2, 36989960), (4, 18494980), (5, 14795984), (7, 10568560), (8, 9247490), (10, 7397992), (14, 5284280), (16, 4623745), (17, 4351760), (19, 3893680), (20, 3698996), (28, 2642140), (34, 2175880), (35, 2113712), (38, 1946840), (40, 1849498), (56, 1321070), (68, 1087940), (70, 1056856), (76, 973420), (80, 924749), (85, 870352), (95, 778736), (112, 660535), (119, 621680), (133, 556240), (136, 543970), (140, 528428), (152, 486710), (170, 435176), (190, 389368), (238, 310840), (266, 278120), (272, 271985), (280, 264214), (304, 243355), (323, 229040), (340, 217588), (380, 194684), (409, 180880), (476, 155420), (532, 139060), (560, 132107), (595, 124336), (646, 114520), (665, 111248), (680, 108794), (760, 97342), (818, 90440), (952, 77710), (1064, 69530), (1190, 62168), (1292, 57260), (1330, 55624), (1360, 54397), (1520, 48671), (1615, 45808), (1636, 45220), (1904, 38855), (2045, 36176), (2128, 34765), (2261, 32720), (2380, 31084), (2584, 28630), (2660, 27812), (2863, 25840), (3230, 22904), (3272, 22610), (4090, 18088), (4522, 16360), (4760, 15542), (5168, 14315), (5320, 13906), (5726, 12920), (6460, 11452), (6544, 11305), (6953, 10640), (7771, 9520), (8180, 9044)]