12640680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 46060560

約数和(自身を除く): 33419880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 73, 74, 78, 90, 104, 111, 117, 120, 130, 146, 148, 156, 180, 185, 195, 219, 222, 234, 260, 292, 296, 312, 333, 360, 365, 370, 390, 438, 444, 468, 481, 520, 555, 584, 585, 657, 666, 730, 740, 780, 876, 888, 936, 949, 962, 1095, 1110, 1170, 1314, 1332, 1443, 1460, 1480, 1560, 1665, 1752, 1898, 1924, 2190, 2220, 2340, 2405, 2628, 2664, 2701, 2847, 2886, 2920, 3285, 3330, 3796, 3848, 4329, 4380, 4440, 4680, 4745, 4810, 5256, 5402, 5694, 5772, 6570, 6660, 7215, 7592, 8103, 8541, 8658, 8760, 9490, 9620, 10804, 11388, 11544, 13140, 13320, 13505, 14235, 14430, 16206, 17082, 17316, 18980, 19240, 21608, 21645, 22776, 24309, 26280, 27010, 28470, 28860, 32412, 34164, 34632, 35113, 37960, 40515, 42705, 43290, 48618, 54020, 56940, 57720, 64824, 68328, 70226, 81030, 85410, 86580, 97236, 105339, 108040, 113880, 121545, 140452, 162060, 170820, 173160, 175565, 194472, 210678, 243090, 280904, 316017, 324120, 341640, 351130, 421356, 486180, 526695, 632034, 702260, 842712, 972360, 1053390, 1264068, 1404520, 1580085, 2106780, 2528136, 3160170, 4213560, 6320340, 12640680]

約数ペア:

[(1, 12640680), (2, 6320340), (3, 4213560), (4, 3160170), (5, 2528136), (6, 2106780), (8, 1580085), (9, 1404520), (10, 1264068), (12, 1053390), (13, 972360), (15, 842712), (18, 702260), (20, 632034), (24, 526695), (26, 486180), (30, 421356), (36, 351130), (37, 341640), (39, 324120), (40, 316017), (45, 280904), (52, 243090), (60, 210678), (65, 194472), (72, 175565), (73, 173160), (74, 170820), (78, 162060), (90, 140452), (104, 121545), (111, 113880), (117, 108040), (120, 105339), (130, 97236), (146, 86580), (148, 85410), (156, 81030), (180, 70226), (185, 68328), (195, 64824), (219, 57720), (222, 56940), (234, 54020), (260, 48618), (292, 43290), (296, 42705), (312, 40515), (333, 37960), (360, 35113), (365, 34632), (370, 34164), (390, 32412), (438, 28860), (444, 28470), (468, 27010), (481, 26280), (520, 24309), (555, 22776), (584, 21645), (585, 21608), (657, 19240), (666, 18980), (730, 17316), (740, 17082), (780, 16206), (876, 14430), (888, 14235), (936, 13505), (949, 13320), (962, 13140), (1095, 11544), (1110, 11388), (1170, 10804), (1314, 9620), (1332, 9490), (1443, 8760), (1460, 8658), (1480, 8541), (1560, 8103), (1665, 7592), (1752, 7215), (1898, 6660), (1924, 6570), (2190, 5772), (2220, 5694), (2340, 5402), (2405, 5256), (2628, 4810), (2664, 4745), (2701, 4680), (2847, 4440), (2886, 4380), (2920, 4329), (3285, 3848), (3330, 3796)]