12900240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 240

約数和(自身を含む): 48746880

約数和(自身を除く): 35846640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 41, 45, 46, 48, 57, 60, 69, 72, 76, 80, 82, 90, 92, 95, 114, 115, 120, 123, 138, 144, 152, 164, 171, 180, 184, 190, 205, 207, 228, 230, 240, 246, 276, 285, 304, 328, 342, 345, 360, 368, 369, 380, 410, 414, 437, 456, 460, 492, 552, 570, 615, 656, 684, 690, 720, 738, 760, 779, 820, 828, 855, 874, 912, 920, 943, 984, 1035, 1104, 1140, 1230, 1311, 1368, 1380, 1476, 1520, 1558, 1640, 1656, 1710, 1748, 1840, 1845, 1886, 1968, 2070, 2185, 2280, 2337, 2460, 2622, 2736, 2760, 2829, 2952, 3116, 3280, 3312, 3420, 3496, 3690, 3772, 3895, 3933, 4140, 4370, 4560, 4674, 4715, 4920, 5244, 5520, 5658, 5904, 6232, 6555, 6840, 6992, 7011, 7380, 7544, 7790, 7866, 8280, 8487, 8740, 9348, 9430, 9840, 10488, 11316, 11685, 12464, 13110, 13680, 14022, 14145, 14760, 15088, 15580, 15732, 16560, 16974, 17480, 17917, 18696, 18860, 19665, 20976, 22632, 23370, 26220, 28044, 28290, 29520, 31160, 31464, 33948, 34960, 35055, 35834, 37392, 37720, 39330, 42435, 45264, 46740, 52440, 53751, 56088, 56580, 62320, 62928, 67896, 70110, 71668, 75440, 78660, 84870, 89585, 93480, 104880, 107502, 112176, 113160, 135792, 140220, 143336, 157320, 161253, 169740, 179170, 186960, 215004, 226320, 268755, 280440, 286672, 314640, 322506, 339480, 358340, 430008, 537510, 560880, 645012, 678960, 716680, 806265, 860016, 1075020, 1290024, 1433360, 1612530, 2150040, 2580048, 3225060, 4300080, 6450120, 12900240]

約数ペア:

[(1, 12900240), (2, 6450120), (3, 4300080), (4, 3225060), (5, 2580048), (6, 2150040), (8, 1612530), (9, 1433360), (10, 1290024), (12, 1075020), (15, 860016), (16, 806265), (18, 716680), (19, 678960), (20, 645012), (23, 560880), (24, 537510), (30, 430008), (36, 358340), (38, 339480), (40, 322506), (41, 314640), (45, 286672), (46, 280440), (48, 268755), (57, 226320), (60, 215004), (69, 186960), (72, 179170), (76, 169740), (80, 161253), (82, 157320), (90, 143336), (92, 140220), (95, 135792), (114, 113160), (115, 112176), (120, 107502), (123, 104880), (138, 93480), (144, 89585), (152, 84870), (164, 78660), (171, 75440), (180, 71668), (184, 70110), (190, 67896), (205, 62928), (207, 62320), (228, 56580), (230, 56088), (240, 53751), (246, 52440), (276, 46740), (285, 45264), (304, 42435), (328, 39330), (342, 37720), (345, 37392), (360, 35834), (368, 35055), (369, 34960), (380, 33948), (410, 31464), (414, 31160), (437, 29520), (456, 28290), (460, 28044), (492, 26220), (552, 23370), (570, 22632), (615, 20976), (656, 19665), (684, 18860), (690, 18696), (720, 17917), (738, 17480), (760, 16974), (779, 16560), (820, 15732), (828, 15580), (855, 15088), (874, 14760), (912, 14145), (920, 14022), (943, 13680), (984, 13110), (1035, 12464), (1104, 11685), (1140, 11316), (1230, 10488), (1311, 9840), (1368, 9430), (1380, 9348), (1476, 8740), (1520, 8487), (1558, 8280), (1640, 7866), (1656, 7790), (1710, 7544), (1748, 7380), (1840, 7011), (1845, 6992), (1886, 6840), (1968, 6555), (2070, 6232), (2185, 5904), (2280, 5658), (2337, 5520), (2460, 5244), (2622, 4920), (2736, 4715), (2760, 4674), (2829, 4560), (2952, 4370), (3116, 4140), (3280, 3933), (3312, 3895), (3420, 3772), (3496, 3690)]