161544880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 462827520

約数和(自身を除く): 301282640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 80, 85, 112, 119, 136, 140, 142, 170, 238, 239, 272, 280, 284, 340, 355, 476, 478, 497, 560, 568, 595, 680, 710, 952, 956, 994, 1136, 1190, 1195, 1207, 1360, 1420, 1673, 1904, 1912, 1988, 2380, 2390, 2414, 2485, 2840, 3346, 3824, 3976, 4063, 4760, 4780, 4828, 4970, 5680, 6035, 6692, 7952, 8126, 8365, 8449, 9520, 9560, 9656, 9940, 12070, 13384, 16252, 16730, 16898, 16969, 19120, 19312, 19880, 20315, 24140, 26768, 28441, 32504, 33460, 33796, 33938, 39760, 40630, 42245, 48280, 56882, 65008, 66920, 67592, 67876, 81260, 84490, 84845, 96560, 113764, 118783, 133840, 135184, 135752, 142205, 162520, 168980, 169690, 227528, 237566, 271504, 284410, 288473, 325040, 337960, 339380, 455056, 475132, 568820, 576946, 593915, 675920, 678760, 950264, 1137640, 1153892, 1187830, 1357520, 1442365, 1900528, 2019311, 2275280, 2307784, 2375660, 2884730, 4038622, 4615568, 4751320, 5769460, 8077244, 9502640, 10096555, 11538920, 16154488, 20193110, 23077840, 32308976, 40386220, 80772440, 161544880]

約数ペア:

[(1, 161544880), (2, 80772440), (4, 40386220), (5, 32308976), (7, 23077840), (8, 20193110), (10, 16154488), (14, 11538920), (16, 10096555), (17, 9502640), (20, 8077244), (28, 5769460), (34, 4751320), (35, 4615568), (40, 4038622), (56, 2884730), (68, 2375660), (70, 2307784), (71, 2275280), (80, 2019311), (85, 1900528), (112, 1442365), (119, 1357520), (136, 1187830), (140, 1153892), (142, 1137640), (170, 950264), (238, 678760), (239, 675920), (272, 593915), (280, 576946), (284, 568820), (340, 475132), (355, 455056), (476, 339380), (478, 337960), (497, 325040), (560, 288473), (568, 284410), (595, 271504), (680, 237566), (710, 227528), (952, 169690), (956, 168980), (994, 162520), (1136, 142205), (1190, 135752), (1195, 135184), (1207, 133840), (1360, 118783), (1420, 113764), (1673, 96560), (1904, 84845), (1912, 84490), (1988, 81260), (2380, 67876), (2390, 67592), (2414, 66920), (2485, 65008), (2840, 56882), (3346, 48280), (3824, 42245), (3976, 40630), (4063, 39760), (4760, 33938), (4780, 33796), (4828, 33460), (4970, 32504), (5680, 28441), (6035, 26768), (6692, 24140), (7952, 20315), (8126, 19880), (8365, 19312), (8449, 19120), (9520, 16969), (9560, 16898), (9656, 16730), (9940, 16252), (12070, 13384)]