211615920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 240

約数和(自身を含む): 773760000

約数和(自身を除く): 562144080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 499, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 998, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1497, 1520, 1710, 1767, 1860, 1996, 2232, 2280, 2356, 2480, 2495, 2736, 2790, 2945, 2994, 3420, 3534, 3720, 3992, 4464, 4491, 4560, 4712, 4990, 5301, 5580, 5890, 5988, 6840, 7068, 7440, 7485, 7984, 8835, 8982, 9424, 9481, 9980, 10602, 11160, 11780, 11976, 13680, 14136, 14970, 15469, 17670, 17964, 18962, 19960, 21204, 22320, 22455, 23560, 23952, 26505, 28272, 28443, 29940, 30938, 35340, 35928, 37924, 39920, 42408, 44910, 46407, 47120, 47405, 53010, 56886, 59880, 61876, 70680, 71856, 75848, 77345, 84816, 85329, 89820, 92814, 94810, 106020, 113772, 119760, 123752, 139221, 141360, 142215, 151696, 154690, 170658, 179640, 185628, 189620, 212040, 227544, 232035, 247504, 278442, 284430, 293911, 309380, 341316, 359280, 371256, 379240, 424080, 426645, 455088, 464070, 556884, 568860, 587822, 618760, 682632, 696105, 742512, 758480, 853290, 881733, 928140, 1113768, 1137720, 1175644, 1237520, 1365264, 1392210, 1469555, 1706580, 1763466, 1856280, 2227536, 2275440, 2351288, 2645199, 2784420, 2939110, 3413160, 3526932, 3712560, 4408665, 4702576, 5290398, 5568840, 5878220, 6826320, 7053864, 8817330, 10580796, 11137680, 11756440, 13225995, 14107728, 17634660, 21161592, 23512880, 26451990, 35269320, 42323184, 52903980, 70538640, 105807960, 211615920]

約数ペア:

[(1, 211615920), (2, 105807960), (3, 70538640), (4, 52903980), (5, 42323184), (6, 35269320), (8, 26451990), (9, 23512880), (10, 21161592), (12, 17634660), (15, 14107728), (16, 13225995), (18, 11756440), (19, 11137680), (20, 10580796), (24, 8817330), (30, 7053864), (31, 6826320), (36, 5878220), (38, 5568840), (40, 5290398), (45, 4702576), (48, 4408665), (57, 3712560), (60, 3526932), (62, 3413160), (72, 2939110), (76, 2784420), (80, 2645199), (90, 2351288), (93, 2275440), (95, 2227536), (114, 1856280), (120, 1763466), (124, 1706580), (144, 1469555), (152, 1392210), (155, 1365264), (171, 1237520), (180, 1175644), (186, 1137720), (190, 1113768), (228, 928140), (240, 881733), (248, 853290), (279, 758480), (285, 742512), (304, 696105), (310, 682632), (342, 618760), (360, 587822), (372, 568860), (380, 556884), (456, 464070), (465, 455088), (496, 426645), (499, 424080), (558, 379240), (570, 371256), (589, 359280), (620, 341316), (684, 309380), (720, 293911), (744, 284430), (760, 278442), (855, 247504), (912, 232035), (930, 227544), (998, 212040), (1116, 189620), (1140, 185628), (1178, 179640), (1240, 170658), (1368, 154690), (1395, 151696), (1488, 142215), (1497, 141360), (1520, 139221), (1710, 123752), (1767, 119760), (1860, 113772), (1996, 106020), (2232, 94810), (2280, 92814), (2356, 89820), (2480, 85329), (2495, 84816), (2736, 77345), (2790, 75848), (2945, 71856), (2994, 70680), (3420, 61876), (3534, 59880), (3720, 56886), (3992, 53010), (4464, 47405), (4491, 47120), (4560, 46407), (4712, 44910), (4990, 42408), (5301, 39920), (5580, 37924), (5890, 35928), (5988, 35340), (6840, 30938), (7068, 29940), (7440, 28443), (7485, 28272), (7984, 26505), (8835, 23952), (8982, 23560), (9424, 22455), (9481, 22320), (9980, 21204), (10602, 19960), (11160, 18962), (11780, 17964), (11976, 17670), (13680, 15469), (14136, 14970)]