891141440

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 224

約数和(自身を含む): 2589580800

約数和(自身を除く): 1698439360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 320, 322, 343, 353, 368, 392, 448, 460, 490, 560, 644, 686, 706, 736, 784, 805, 920, 980, 1120, 1127, 1288, 1372, 1412, 1472, 1568, 1610, 1715, 1765, 1840, 1960, 2240, 2254, 2471, 2576, 2744, 2824, 3136, 3220, 3430, 3530, 3680, 3920, 4508, 4942, 5152, 5488, 5635, 5648, 6440, 6860, 7060, 7360, 7840, 7889, 8119, 9016, 9884, 10304, 10976, 11270, 11296, 12355, 12880, 13720, 14120, 15680, 15778, 16238, 17297, 18032, 19768, 21952, 22540, 22592, 24710, 25760, 27440, 28240, 31556, 32476, 34594, 36064, 39445, 39536, 40595, 45080, 49420, 51520, 54880, 56480, 56833, 63112, 64952, 69188, 72128, 78890, 79072, 81190, 86485, 90160, 98840, 109760, 112960, 113666, 121079, 126224, 129904, 138376, 157780, 158144, 162380, 172970, 180320, 197680, 227332, 242158, 252448, 259808, 276752, 284165, 315560, 324760, 345940, 360640, 395360, 397831, 454664, 484316, 504896, 519616, 553504, 568330, 605395, 631120, 649520, 691880, 790720, 795662, 909328, 968632, 1107008, 1136660, 1210790, 1262240, 1299040, 1383760, 1591324, 1818656, 1937264, 1989155, 2273320, 2421580, 2524480, 2598080, 2767520, 2784817, 3182648, 3637312, 3874528, 3978310, 4546640, 4843160, 5535040, 5569634, 6365296, 7749056, 7956620, 9093280, 9686320, 11139268, 12730592, 13924085, 15913240, 18186560, 19372640, 22278536, 25461184, 27848170, 31826480, 38745280, 44557072, 55696340, 63652960, 89114144, 111392680, 127305920, 178228288, 222785360, 445570720, 891141440]

約数ペア:

[(1, 891141440), (2, 445570720), (4, 222785360), (5, 178228288), (7, 127305920), (8, 111392680), (10, 89114144), (14, 63652960), (16, 55696340), (20, 44557072), (23, 38745280), (28, 31826480), (32, 27848170), (35, 25461184), (40, 22278536), (46, 19372640), (49, 18186560), (56, 15913240), (64, 13924085), (70, 12730592), (80, 11139268), (92, 9686320), (98, 9093280), (112, 7956620), (115, 7749056), (140, 6365296), (160, 5569634), (161, 5535040), (184, 4843160), (196, 4546640), (224, 3978310), (230, 3874528), (245, 3637312), (280, 3182648), (320, 2784817), (322, 2767520), (343, 2598080), (353, 2524480), (368, 2421580), (392, 2273320), (448, 1989155), (460, 1937264), (490, 1818656), (560, 1591324), (644, 1383760), (686, 1299040), (706, 1262240), (736, 1210790), (784, 1136660), (805, 1107008), (920, 968632), (980, 909328), (1120, 795662), (1127, 790720), (1288, 691880), (1372, 649520), (1412, 631120), (1472, 605395), (1568, 568330), (1610, 553504), (1715, 519616), (1765, 504896), (1840, 484316), (1960, 454664), (2240, 397831), (2254, 395360), (2471, 360640), (2576, 345940), (2744, 324760), (2824, 315560), (3136, 284165), (3220, 276752), (3430, 259808), (3530, 252448), (3680, 242158), (3920, 227332), (4508, 197680), (4942, 180320), (5152, 172970), (5488, 162380), (5635, 158144), (5648, 157780), (6440, 138376), (6860, 129904), (7060, 126224), (7360, 121079), (7840, 113666), (7889, 112960), (8119, 109760), (9016, 98840), (9884, 90160), (10304, 86485), (10976, 81190), (11270, 79072), (11296, 78890), (12355, 72128), (12880, 69188), (13720, 64952), (14120, 63112), (15680, 56833), (15778, 56480), (16238, 54880), (17297, 51520), (18032, 49420), (19768, 45080), (21952, 40595), (22540, 39536), (22592, 39445), (24710, 36064), (25760, 34594), (27440, 32476), (28240, 31556)]