628687980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 240

約数和(自身を含む): 2107607040

約数和(自身を除く): 1478919060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 47, 54, 60, 69, 81, 90, 92, 94, 108, 115, 135, 138, 141, 162, 180, 188, 207, 230, 235, 270, 276, 282, 324, 345, 359, 405, 414, 423, 460, 470, 540, 564, 621, 690, 705, 718, 810, 828, 846, 940, 1035, 1077, 1081, 1242, 1269, 1380, 1410, 1436, 1620, 1692, 1795, 1863, 2070, 2115, 2154, 2162, 2484, 2538, 2820, 3105, 3231, 3243, 3590, 3726, 3807, 4140, 4230, 4308, 4324, 5076, 5385, 5405, 6210, 6345, 6462, 6486, 7180, 7452, 7614, 8257, 8460, 9315, 9693, 9729, 10770, 10810, 12420, 12690, 12924, 12972, 15228, 16155, 16215, 16514, 16873, 18630, 19035, 19386, 19458, 21540, 21620, 24771, 25380, 29079, 29187, 32310, 32430, 33028, 33746, 37260, 38070, 38772, 38916, 41285, 48465, 48645, 49542, 50619, 58158, 58374, 64620, 64860, 67492, 74313, 76140, 82570, 84365, 87561, 96930, 97290, 99084, 101238, 116316, 116748, 123855, 145395, 145935, 148626, 151857, 165140, 168730, 175122, 193860, 194580, 202476, 222939, 247710, 253095, 290790, 291870, 297252, 303714, 337460, 350244, 371565, 388079, 437805, 445878, 455571, 495420, 506190, 581580, 583740, 607428, 668817, 743130, 759285, 776158, 875610, 891756, 911142, 1012380, 1114695, 1164237, 1337634, 1366713, 1486260, 1518570, 1552316, 1751220, 1822284, 1940395, 2229390, 2277855, 2328474, 2675268, 2733426, 3037140, 3344085, 3492711, 3880790, 4458780, 4555710, 4656948, 5466852, 5821185, 6688170, 6833565, 6985422, 7761580, 9111420, 10478133, 11642370, 13376340, 13667130, 13970844, 17463555, 20956266, 23284740, 27334260, 31434399, 34927110, 41912532, 52390665, 62868798, 69854220, 104781330, 125737596, 157171995, 209562660, 314343990, 628687980]

約数ペア:

[(1, 628687980), (2, 314343990), (3, 209562660), (4, 157171995), (5, 125737596), (6, 104781330), (9, 69854220), (10, 62868798), (12, 52390665), (15, 41912532), (18, 34927110), (20, 31434399), (23, 27334260), (27, 23284740), (30, 20956266), (36, 17463555), (45, 13970844), (46, 13667130), (47, 13376340), (54, 11642370), (60, 10478133), (69, 9111420), (81, 7761580), (90, 6985422), (92, 6833565), (94, 6688170), (108, 5821185), (115, 5466852), (135, 4656948), (138, 4555710), (141, 4458780), (162, 3880790), (180, 3492711), (188, 3344085), (207, 3037140), (230, 2733426), (235, 2675268), (270, 2328474), (276, 2277855), (282, 2229390), (324, 1940395), (345, 1822284), (359, 1751220), (405, 1552316), (414, 1518570), (423, 1486260), (460, 1366713), (470, 1337634), (540, 1164237), (564, 1114695), (621, 1012380), (690, 911142), (705, 891756), (718, 875610), (810, 776158), (828, 759285), (846, 743130), (940, 668817), (1035, 607428), (1077, 583740), (1081, 581580), (1242, 506190), (1269, 495420), (1380, 455571), (1410, 445878), (1436, 437805), (1620, 388079), (1692, 371565), (1795, 350244), (1863, 337460), (2070, 303714), (2115, 297252), (2154, 291870), (2162, 290790), (2484, 253095), (2538, 247710), (2820, 222939), (3105, 202476), (3231, 194580), (3243, 193860), (3590, 175122), (3726, 168730), (3807, 165140), (4140, 151857), (4230, 148626), (4308, 145935), (4324, 145395), (5076, 123855), (5385, 116748), (5405, 116316), (6210, 101238), (6345, 99084), (6462, 97290), (6486, 96930), (7180, 87561), (7452, 84365), (7614, 82570), (8257, 76140), (8460, 74313), (9315, 67492), (9693, 64860), (9729, 64620), (10770, 58374), (10810, 58158), (12420, 50619), (12690, 49542), (12924, 48645), (12972, 48465), (15228, 41285), (16155, 38916), (16215, 38772), (16514, 38070), (16873, 37260), (18630, 33746), (19035, 33028), (19386, 32430), (19458, 32310), (21540, 29187), (21620, 29079), (24771, 25380)]