216449440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 564447744

約数和(自身を除く): 347998304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 151, 155, 160, 170, 248, 272, 289, 302, 310, 340, 496, 527, 544, 578, 604, 620, 680, 755, 992, 1054, 1156, 1208, 1240, 1360, 1445, 1510, 2108, 2312, 2416, 2480, 2567, 2635, 2720, 2890, 3020, 4216, 4624, 4681, 4832, 4960, 5134, 5270, 5780, 6040, 8432, 8959, 9248, 9362, 10268, 10540, 11560, 12080, 12835, 16864, 17918, 18724, 20536, 21080, 23120, 23405, 24160, 25670, 35836, 37448, 41072, 42160, 43639, 44795, 46240, 46810, 51340, 71672, 74896, 79577, 82144, 84320, 87278, 89590, 93620, 102680, 143344, 149792, 159154, 174556, 179180, 187240, 205360, 218195, 286688, 318308, 349112, 358360, 374480, 397885, 410720, 436390, 636616, 698224, 716720, 748960, 795770, 872780, 1273232, 1352809, 1396448, 1433440, 1591540, 1745560, 2546464, 2705618, 3183080, 3491120, 5411236, 6366160, 6764045, 6982240, 10822472, 12732320, 13528090, 21644944, 27056180, 43289888, 54112360, 108224720, 216449440]

約数ペア:

[(1, 216449440), (2, 108224720), (4, 54112360), (5, 43289888), (8, 27056180), (10, 21644944), (16, 13528090), (17, 12732320), (20, 10822472), (31, 6982240), (32, 6764045), (34, 6366160), (40, 5411236), (62, 3491120), (68, 3183080), (80, 2705618), (85, 2546464), (124, 1745560), (136, 1591540), (151, 1433440), (155, 1396448), (160, 1352809), (170, 1273232), (248, 872780), (272, 795770), (289, 748960), (302, 716720), (310, 698224), (340, 636616), (496, 436390), (527, 410720), (544, 397885), (578, 374480), (604, 358360), (620, 349112), (680, 318308), (755, 286688), (992, 218195), (1054, 205360), (1156, 187240), (1208, 179180), (1240, 174556), (1360, 159154), (1445, 149792), (1510, 143344), (2108, 102680), (2312, 93620), (2416, 89590), (2480, 87278), (2567, 84320), (2635, 82144), (2720, 79577), (2890, 74896), (3020, 71672), (4216, 51340), (4624, 46810), (4681, 46240), (4832, 44795), (4960, 43639), (5134, 42160), (5270, 41072), (5780, 37448), (6040, 35836), (8432, 25670), (8959, 24160), (9248, 23405), (9362, 23120), (10268, 21080), (10540, 20536), (11560, 18724), (12080, 17918), (12835, 16864)]