221498160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 766808064

約数和(自身を除く): 545309904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 104, 120, 127, 129, 130, 156, 169, 172, 195, 208, 215, 240, 254, 258, 260, 312, 338, 344, 381, 390, 430, 507, 508, 516, 520, 559, 624, 635, 645, 676, 688, 762, 780, 845, 860, 1014, 1016, 1032, 1040, 1118, 1270, 1290, 1352, 1524, 1560, 1651, 1677, 1690, 1720, 1905, 2028, 2032, 2064, 2236, 2535, 2540, 2580, 2704, 2795, 3048, 3120, 3302, 3354, 3380, 3440, 3810, 4056, 4472, 4953, 5070, 5080, 5160, 5461, 5590, 6096, 6604, 6708, 6760, 7267, 7620, 8112, 8255, 8385, 8944, 9906, 10140, 10160, 10320, 10922, 11180, 13208, 13416, 13520, 14534, 15240, 16383, 16510, 16770, 19812, 20280, 21463, 21801, 21844, 22360, 24765, 26416, 26832, 27305, 29068, 30480, 32766, 33020, 33540, 36335, 39624, 40560, 42926, 43602, 43688, 44720, 49530, 54610, 58136, 64389, 65532, 66040, 67080, 70993, 72670, 79248, 81915, 85852, 87204, 87376, 99060, 107315, 109005, 109220, 116272, 128778, 131064, 132080, 134160, 141986, 145340, 163830, 171704, 174408, 198120, 212979, 214630, 218010, 218440, 257556, 262128, 283972, 290680, 321945, 327660, 343408, 348816, 354965, 396240, 425958, 429260, 436020, 436880, 515112, 567944, 581360, 643890, 655320, 709930, 851916, 858520, 872040, 922909, 1030224, 1064895, 1135888, 1287780, 1310640, 1419860, 1703832, 1717040, 1744080, 1845818, 2129790, 2575560, 2768727, 2839720, 3407664, 3691636, 4259580, 4614545, 5151120, 5537454, 5679440, 7383272, 8519160, 9229090, 11074908, 13843635, 14766544, 17038320, 18458180, 22149816, 27687270, 36916360, 44299632, 55374540, 73832720, 110749080, 221498160]

約数ペア:

[(1, 221498160), (2, 110749080), (3, 73832720), (4, 55374540), (5, 44299632), (6, 36916360), (8, 27687270), (10, 22149816), (12, 18458180), (13, 17038320), (15, 14766544), (16, 13843635), (20, 11074908), (24, 9229090), (26, 8519160), (30, 7383272), (39, 5679440), (40, 5537454), (43, 5151120), (48, 4614545), (52, 4259580), (60, 3691636), (65, 3407664), (78, 2839720), (80, 2768727), (86, 2575560), (104, 2129790), (120, 1845818), (127, 1744080), (129, 1717040), (130, 1703832), (156, 1419860), (169, 1310640), (172, 1287780), (195, 1135888), (208, 1064895), (215, 1030224), (240, 922909), (254, 872040), (258, 858520), (260, 851916), (312, 709930), (338, 655320), (344, 643890), (381, 581360), (390, 567944), (430, 515112), (507, 436880), (508, 436020), (516, 429260), (520, 425958), (559, 396240), (624, 354965), (635, 348816), (645, 343408), (676, 327660), (688, 321945), (762, 290680), (780, 283972), (845, 262128), (860, 257556), (1014, 218440), (1016, 218010), (1032, 214630), (1040, 212979), (1118, 198120), (1270, 174408), (1290, 171704), (1352, 163830), (1524, 145340), (1560, 141986), (1651, 134160), (1677, 132080), (1690, 131064), (1720, 128778), (1905, 116272), (2028, 109220), (2032, 109005), (2064, 107315), (2236, 99060), (2535, 87376), (2540, 87204), (2580, 85852), (2704, 81915), (2795, 79248), (3048, 72670), (3120, 70993), (3302, 67080), (3354, 66040), (3380, 65532), (3440, 64389), (3810, 58136), (4056, 54610), (4472, 49530), (4953, 44720), (5070, 43688), (5080, 43602), (5160, 42926), (5461, 40560), (5590, 39624), (6096, 36335), (6604, 33540), (6708, 33020), (6760, 32766), (7267, 30480), (7620, 29068), (8112, 27305), (8255, 26832), (8385, 26416), (8944, 24765), (9906, 22360), (10140, 21844), (10160, 21801), (10320, 21463), (10922, 20280), (11180, 19812), (13208, 16770), (13416, 16510), (13520, 16383), (14534, 15240)]