128694280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 344736000

約数和(自身を除く): 216041720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 149, 151, 220, 260, 286, 298, 302, 440, 520, 572, 596, 604, 715, 745, 755, 1144, 1192, 1208, 1430, 1490, 1510, 1639, 1661, 1937, 1963, 2860, 2980, 3020, 3278, 3322, 3874, 3926, 5720, 5960, 6040, 6556, 6644, 7748, 7852, 8195, 8305, 9685, 9815, 13112, 13288, 15496, 15704, 16390, 16610, 19370, 19630, 21307, 21593, 22499, 32780, 33220, 38740, 39260, 42614, 43186, 44998, 65560, 66440, 77480, 78520, 85228, 86372, 89996, 106535, 107965, 112495, 170456, 172744, 179992, 213070, 215930, 224990, 247489, 292487, 426140, 431860, 449980, 494978, 584974, 852280, 863720, 899960, 989956, 1169948, 1237445, 1462435, 1979912, 2339896, 2474890, 2924870, 3217357, 4949780, 5849740, 6434714, 9899560, 11699480, 12869428, 16086785, 25738856, 32173570, 64347140, 128694280]

約数ペア:

[(1, 128694280), (2, 64347140), (4, 32173570), (5, 25738856), (8, 16086785), (10, 12869428), (11, 11699480), (13, 9899560), (20, 6434714), (22, 5849740), (26, 4949780), (40, 3217357), (44, 2924870), (52, 2474890), (55, 2339896), (65, 1979912), (88, 1462435), (104, 1237445), (110, 1169948), (130, 989956), (143, 899960), (149, 863720), (151, 852280), (220, 584974), (260, 494978), (286, 449980), (298, 431860), (302, 426140), (440, 292487), (520, 247489), (572, 224990), (596, 215930), (604, 213070), (715, 179992), (745, 172744), (755, 170456), (1144, 112495), (1192, 107965), (1208, 106535), (1430, 89996), (1490, 86372), (1510, 85228), (1639, 78520), (1661, 77480), (1937, 66440), (1963, 65560), (2860, 44998), (2980, 43186), (3020, 42614), (3278, 39260), (3322, 38740), (3874, 33220), (3926, 32780), (5720, 22499), (5960, 21593), (6040, 21307), (6556, 19630), (6644, 19370), (7748, 16610), (7852, 16390), (8195, 15704), (8305, 15496), (9685, 13288), (9815, 13112)]