164655880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 414305280

約数和(自身を除く): 249649400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 73, 85, 107, 124, 136, 146, 155, 170, 214, 248, 292, 310, 340, 365, 428, 527, 535, 584, 620, 680, 730, 856, 1054, 1070, 1240, 1241, 1460, 1819, 2108, 2140, 2263, 2482, 2635, 2920, 3317, 3638, 4216, 4280, 4526, 4964, 5270, 6205, 6634, 7276, 7811, 9052, 9095, 9928, 10540, 11315, 12410, 13268, 14552, 15622, 16585, 18104, 18190, 21080, 22630, 24820, 26536, 31244, 33170, 36380, 38471, 39055, 45260, 49640, 56389, 62488, 66340, 72760, 76942, 78110, 90520, 112778, 132680, 132787, 153884, 156220, 192355, 225556, 242141, 265574, 281945, 307768, 312440, 384710, 451112, 484282, 531148, 563890, 663935, 769420, 968564, 1062296, 1127780, 1210705, 1327870, 1538840, 1937128, 2255560, 2421410, 2655740, 4116397, 4842820, 5311480, 8232794, 9685640, 16465588, 20581985, 32931176, 41163970, 82327940, 164655880]

約数ペア:

[(1, 164655880), (2, 82327940), (4, 41163970), (5, 32931176), (8, 20581985), (10, 16465588), (17, 9685640), (20, 8232794), (31, 5311480), (34, 4842820), (40, 4116397), (62, 2655740), (68, 2421410), (73, 2255560), (85, 1937128), (107, 1538840), (124, 1327870), (136, 1210705), (146, 1127780), (155, 1062296), (170, 968564), (214, 769420), (248, 663935), (292, 563890), (310, 531148), (340, 484282), (365, 451112), (428, 384710), (527, 312440), (535, 307768), (584, 281945), (620, 265574), (680, 242141), (730, 225556), (856, 192355), (1054, 156220), (1070, 153884), (1240, 132787), (1241, 132680), (1460, 112778), (1819, 90520), (2108, 78110), (2140, 76942), (2263, 72760), (2482, 66340), (2635, 62488), (2920, 56389), (3317, 49640), (3638, 45260), (4216, 39055), (4280, 38471), (4526, 36380), (4964, 33170), (5270, 31244), (6205, 26536), (6634, 24820), (7276, 22630), (7811, 21080), (9052, 18190), (9095, 18104), (9928, 16585), (10540, 15622), (11315, 14552), (12410, 13268)]