1988780640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7687}}^1$

素因数の和:7730

約数の個数: 288

約数和(自身を含む): 7950991104

約数和(自身を除く): 5962210464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 420, 440, 462, 480, 490, 528, 539, 560, 588, 616, 660, 672, 735, 770, 784, 840, 880, 924, 980, 1056, 1078, 1120, 1155, 1176, 1232, 1320, 1470, 1540, 1568, 1617, 1680, 1760, 1848, 1960, 2156, 2310, 2352, 2464, 2640, 2695, 2940, 3080, 3234, 3360, 3696, 3920, 4312, 4620, 4704, 5280, 5390, 5880, 6160, 6468, 7392, 7687, 7840, 8085, 8624, 9240, 10780, 11760, 12320, 12936, 15374, 16170, 17248, 18480, 21560, 23061, 23520, 25872, 30748, 32340, 36960, 38435, 43120, 46122, 51744, 53809, 61496, 64680, 76870, 84557, 86240, 92244, 107618, 115305, 122992, 129360, 153740, 161427, 169114, 184488, 215236, 230610, 245984, 253671, 258720, 269045, 307480, 322854, 338228, 368976, 376663, 422785, 430472, 461220, 507342, 538090, 591899, 614960, 645708, 676456, 737952, 753326, 807135, 845570, 860944, 922440, 1014684, 1076180, 1129989, 1183798, 1229920, 1268355, 1291416, 1352912, 1506652, 1614270, 1691140, 1721888, 1775697, 1844880, 1883315, 2029368, 2152360, 2259978, 2367596, 2536710, 2582832, 2705824, 2959495, 3013304, 3228540, 3382280, 3551394, 3689760, 3766630, 4058736, 4143293, 4304720, 4519956, 4735192, 5073420, 5165664, 5649945, 5918990, 6026608, 6457080, 6764560, 7102788, 7533260, 8117472, 8286586, 8609440, 8878485, 9039912, 9470384, 10146840, 11299890, 11837980, 12053216, 12429879, 12914160, 13529120, 14205576, 15066520, 16573172, 17756970, 18079824, 18940768, 20293680, 20716465, 22599780, 23675960, 24859758, 25828320, 28411152, 30133040, 33146344, 35513940, 36159648, 40587360, 41432930, 45199560, 47351920, 49719516, 56822304, 60266080, 62149395, 66292688, 71027880, 82865860, 90399120, 94703840, 99439032, 124298790, 132585376, 142055760, 165731720, 180798240, 198878064, 248597580, 284111520, 331463440, 397756128, 497195160, 662926880, 994390320, 1988780640]

約数ペア:

[(1, 1988780640), (2, 994390320), (3, 662926880), (4, 497195160), (5, 397756128), (6, 331463440), (7, 284111520), (8, 248597580), (10, 198878064), (11, 180798240), (12, 165731720), (14, 142055760), (15, 132585376), (16, 124298790), (20, 99439032), (21, 94703840), (22, 90399120), (24, 82865860), (28, 71027880), (30, 66292688), (32, 62149395), (33, 60266080), (35, 56822304), (40, 49719516), (42, 47351920), (44, 45199560), (48, 41432930), (49, 40587360), (55, 36159648), (56, 35513940), (60, 33146344), (66, 30133040), (70, 28411152), (77, 25828320), (80, 24859758), (84, 23675960), (88, 22599780), (96, 20716465), (98, 20293680), (105, 18940768), (110, 18079824), (112, 17756970), (120, 16573172), (132, 15066520), (140, 14205576), (147, 13529120), (154, 12914160), (160, 12429879), (165, 12053216), (168, 11837980), (176, 11299890), (196, 10146840), (210, 9470384), (220, 9039912), (224, 8878485), (231, 8609440), (240, 8286586), (245, 8117472), (264, 7533260), (280, 7102788), (294, 6764560), (308, 6457080), (330, 6026608), (336, 5918990), (352, 5649945), (385, 5165664), (392, 5073420), (420, 4735192), (440, 4519956), (462, 4304720), (480, 4143293), (490, 4058736), (528, 3766630), (539, 3689760), (560, 3551394), (588, 3382280), (616, 3228540), (660, 3013304), (672, 2959495), (735, 2705824), (770, 2582832), (784, 2536710), (840, 2367596), (880, 2259978), (924, 2152360), (980, 2029368), (1056, 1883315), (1078, 1844880), (1120, 1775697), (1155, 1721888), (1176, 1691140), (1232, 1614270), (1320, 1506652), (1470, 1352912), (1540, 1291416), (1568, 1268355), (1617, 1229920), (1680, 1183798), (1760, 1129989), (1848, 1076180), (1960, 1014684), (2156, 922440), (2310, 860944), (2352, 845570), (2464, 807135), (2640, 753326), (2695, 737952), (2940, 676456), (3080, 645708), (3234, 614960), (3360, 591899), (3696, 538090), (3920, 507342), (4312, 461220), (4620, 430472), (4704, 422785), (5280, 376663), (5390, 368976), (5880, 338228), (6160, 322854), (6468, 307480), (7392, 269045), (7687, 258720), (7840, 253671), (8085, 245984), (8624, 230610), (9240, 215236), (10780, 184488), (11760, 169114), (12320, 161427), (12936, 153740), (15374, 129360), (16170, 122992), (17248, 115305), (18480, 107618), (21560, 92244), (23061, 86240), (23520, 84557), (25872, 76870), (30748, 64680), (32340, 61496), (36960, 53809), (38435, 51744), (43120, 46122)]