661812120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 320

約数和(自身を含む): 2371057920

約数和(自身を除く): 1709245800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 83, 90, 92, 107, 108, 115, 120, 135, 138, 162, 166, 180, 184, 207, 214, 216, 230, 249, 270, 276, 321, 324, 332, 345, 360, 405, 414, 415, 428, 460, 498, 535, 540, 552, 621, 642, 648, 664, 690, 747, 810, 828, 830, 856, 920, 963, 996, 1035, 1070, 1080, 1242, 1245, 1284, 1380, 1494, 1605, 1620, 1656, 1660, 1863, 1909, 1926, 1992, 2070, 2140, 2241, 2461, 2484, 2490, 2568, 2760, 2889, 2988, 3105, 3210, 3240, 3320, 3726, 3735, 3818, 3852, 4140, 4280, 4482, 4815, 4922, 4968, 4980, 5727, 5778, 5976, 6210, 6420, 6723, 7383, 7452, 7470, 7636, 7704, 8280, 8667, 8881, 8964, 9315, 9545, 9630, 9844, 9960, 11205, 11454, 11556, 12305, 12420, 12840, 13446, 14445, 14766, 14904, 14940, 15272, 17181, 17334, 17762, 17928, 18630, 19090, 19260, 19688, 22149, 22410, 22908, 23112, 24610, 24840, 26643, 26892, 28635, 28890, 29532, 29880, 33615, 34362, 34668, 35524, 36915, 37260, 38180, 38520, 43335, 44298, 44405, 44820, 45816, 49220, 51543, 53286, 53784, 57270, 57780, 59064, 66447, 67230, 68724, 69336, 71048, 73830, 74520, 76360, 79929, 85905, 86670, 88596, 88810, 89640, 98440, 103086, 106572, 110745, 114540, 115560, 132894, 133215, 134460, 137448, 147660, 154629, 159858, 171810, 173340, 177192, 177620, 199341, 204263, 206172, 213144, 221490, 229080, 239787, 257715, 265788, 266430, 268920, 295320, 309258, 319716, 332235, 343620, 346680, 355240, 398682, 399645, 408526, 412344, 442980, 479574, 515430, 531576, 532860, 612789, 618516, 639432, 664470, 687240, 719361, 773145, 797364, 799290, 817052, 885960, 959148, 996705, 1021315, 1030860, 1065720, 1198935, 1225578, 1237032, 1328940, 1438722, 1546290, 1594728, 1598580, 1634104, 1838367, 1918296, 1993410, 2042630, 2061720, 2397870, 2451156, 2657880, 2877444, 3063945, 3092580, 3197160, 3596805, 3676734, 3986820, 4085260, 4795740, 4902312, 5515101, 5754888, 6127890, 6185160, 7193610, 7353468, 7973640, 8170520, 9191835, 9591480, 11030202, 12255780, 14387220, 14706936, 16545303, 18383670, 22060404, 24511560, 27575505, 28774440, 33090606, 36767340, 44120808, 55151010, 66181212, 73534680, 82726515, 110302020, 132362424, 165453030, 220604040, 330906060, 661812120]

約数ペア:

[(1, 661812120), (2, 330906060), (3, 220604040), (4, 165453030), (5, 132362424), (6, 110302020), (8, 82726515), (9, 73534680), (10, 66181212), (12, 55151010), (15, 44120808), (18, 36767340), (20, 33090606), (23, 28774440), (24, 27575505), (27, 24511560), (30, 22060404), (36, 18383670), (40, 16545303), (45, 14706936), (46, 14387220), (54, 12255780), (60, 11030202), (69, 9591480), (72, 9191835), (81, 8170520), (83, 7973640), (90, 7353468), (92, 7193610), (107, 6185160), (108, 6127890), (115, 5754888), (120, 5515101), (135, 4902312), (138, 4795740), (162, 4085260), (166, 3986820), (180, 3676734), (184, 3596805), (207, 3197160), (214, 3092580), (216, 3063945), (230, 2877444), (249, 2657880), (270, 2451156), (276, 2397870), (321, 2061720), (324, 2042630), (332, 1993410), (345, 1918296), (360, 1838367), (405, 1634104), (414, 1598580), (415, 1594728), (428, 1546290), (460, 1438722), (498, 1328940), (535, 1237032), (540, 1225578), (552, 1198935), (621, 1065720), (642, 1030860), (648, 1021315), (664, 996705), (690, 959148), (747, 885960), (810, 817052), (828, 799290), (830, 797364), (856, 773145), (920, 719361), (963, 687240), (996, 664470), (1035, 639432), (1070, 618516), (1080, 612789), (1242, 532860), (1245, 531576), (1284, 515430), (1380, 479574), (1494, 442980), (1605, 412344), (1620, 408526), (1656, 399645), (1660, 398682), (1863, 355240), (1909, 346680), (1926, 343620), (1992, 332235), (2070, 319716), (2140, 309258), (2241, 295320), (2461, 268920), (2484, 266430), (2490, 265788), (2568, 257715), (2760, 239787), (2889, 229080), (2988, 221490), (3105, 213144), (3210, 206172), (3240, 204263), (3320, 199341), (3726, 177620), (3735, 177192), (3818, 173340), (3852, 171810), (4140, 159858), (4280, 154629), (4482, 147660), (4815, 137448), (4922, 134460), (4968, 133215), (4980, 132894), (5727, 115560), (5778, 114540), (5976, 110745), (6210, 106572), (6420, 103086), (6723, 98440), (7383, 89640), (7452, 88810), (7470, 88596), (7636, 86670), (7704, 85905), (8280, 79929), (8667, 76360), (8881, 74520), (8964, 73830), (9315, 71048), (9545, 69336), (9630, 68724), (9844, 67230), (9960, 66447), (11205, 59064), (11454, 57780), (11556, 57270), (12305, 53784), (12420, 53286), (12840, 51543), (13446, 49220), (14445, 45816), (14766, 44820), (14904, 44405), (14940, 44298), (15272, 43335), (17181, 38520), (17334, 38180), (17762, 37260), (17928, 36915), (18630, 35524), (19090, 34668), (19260, 34362), (19688, 33615), (22149, 29880), (22410, 29532), (22908, 28890), (23112, 28635), (24610, 26892), (24840, 26643)]