1021427680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 3110933952

約数和(自身を除く): 2089506272

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 73, 80, 91, 104, 112, 124, 130, 140, 146, 155, 160, 182, 208, 217, 224, 248, 260, 280, 292, 310, 364, 365, 403, 416, 434, 455, 496, 511, 520, 560, 584, 620, 728, 730, 806, 868, 910, 949, 961, 992, 1022, 1040, 1085, 1120, 1168, 1240, 1456, 1460, 1612, 1736, 1820, 1898, 1922, 2015, 2044, 2080, 2170, 2263, 2336, 2480, 2555, 2821, 2912, 2920, 3224, 3472, 3640, 3796, 3844, 4030, 4088, 4340, 4526, 4745, 4805, 4960, 5110, 5642, 5840, 6448, 6643, 6727, 6944, 7280, 7592, 7688, 8060, 8176, 8680, 9052, 9490, 9610, 10220, 11284, 11315, 11680, 12493, 12896, 13286, 13454, 14105, 14560, 15184, 15376, 15841, 16120, 16352, 17360, 18104, 18980, 19220, 20440, 22568, 22630, 24986, 26572, 26908, 28210, 29419, 30368, 30752, 31682, 32240, 33215, 33635, 34720, 36208, 37960, 38440, 40880, 45136, 45260, 49972, 53144, 53816, 56420, 58838, 62465, 63364, 64480, 66430, 67270, 70153, 72416, 75920, 76880, 79205, 81760, 87451, 90272, 90520, 99944, 106288, 107632, 112840, 117676, 124930, 126728, 132860, 134540, 140306, 147095, 151840, 153760, 158410, 174902, 181040, 199888, 205933, 212576, 215264, 225680, 235352, 249860, 253456, 265720, 269080, 280612, 294190, 316820, 349804, 350765, 362080, 399776, 411866, 437255, 451360, 470704, 491071, 499720, 506912, 531440, 538160, 561224, 588380, 633640, 699608, 701530, 823732, 874510, 911989, 941408, 982142, 999440, 1029665, 1062880, 1076320, 1122448, 1176760, 1267280, 1399216, 1403060, 1647464, 1749020, 1823978, 1964284, 1998880, 2059330, 2244896, 2353520, 2455355, 2534560, 2798432, 2806120, 3294928, 3498040, 3647956, 3928568, 4118660, 4559945, 4707040, 4910710, 5612240, 6383923, 6589856, 6996080, 7295912, 7857136, 8237320, 9119890, 9821420, 11224480, 12767846, 13992160, 14591824, 15714272, 16474640, 18239780, 19642840, 25535692, 29183648, 31919615, 32949280, 36479560, 39285680, 51071384, 63839230, 72959120, 78571360, 102142768, 127678460, 145918240, 204285536, 255356920, 510713840, 1021427680]

約数ペア:

[(1, 1021427680), (2, 510713840), (4, 255356920), (5, 204285536), (7, 145918240), (8, 127678460), (10, 102142768), (13, 78571360), (14, 72959120), (16, 63839230), (20, 51071384), (26, 39285680), (28, 36479560), (31, 32949280), (32, 31919615), (35, 29183648), (40, 25535692), (52, 19642840), (56, 18239780), (62, 16474640), (65, 15714272), (70, 14591824), (73, 13992160), (80, 12767846), (91, 11224480), (104, 9821420), (112, 9119890), (124, 8237320), (130, 7857136), (140, 7295912), (146, 6996080), (155, 6589856), (160, 6383923), (182, 5612240), (208, 4910710), (217, 4707040), (224, 4559945), (248, 4118660), (260, 3928568), (280, 3647956), (292, 3498040), (310, 3294928), (364, 2806120), (365, 2798432), (403, 2534560), (416, 2455355), (434, 2353520), (455, 2244896), (496, 2059330), (511, 1998880), (520, 1964284), (560, 1823978), (584, 1749020), (620, 1647464), (728, 1403060), (730, 1399216), (806, 1267280), (868, 1176760), (910, 1122448), (949, 1076320), (961, 1062880), (992, 1029665), (1022, 999440), (1040, 982142), (1085, 941408), (1120, 911989), (1168, 874510), (1240, 823732), (1456, 701530), (1460, 699608), (1612, 633640), (1736, 588380), (1820, 561224), (1898, 538160), (1922, 531440), (2015, 506912), (2044, 499720), (2080, 491071), (2170, 470704), (2263, 451360), (2336, 437255), (2480, 411866), (2555, 399776), (2821, 362080), (2912, 350765), (2920, 349804), (3224, 316820), (3472, 294190), (3640, 280612), (3796, 269080), (3844, 265720), (4030, 253456), (4088, 249860), (4340, 235352), (4526, 225680), (4745, 215264), (4805, 212576), (4960, 205933), (5110, 199888), (5642, 181040), (5840, 174902), (6448, 158410), (6643, 153760), (6727, 151840), (6944, 147095), (7280, 140306), (7592, 134540), (7688, 132860), (8060, 126728), (8176, 124930), (8680, 117676), (9052, 112840), (9490, 107632), (9610, 106288), (10220, 99944), (11284, 90520), (11315, 90272), (11680, 87451), (12493, 81760), (12896, 79205), (13286, 76880), (13454, 75920), (14105, 72416), (14560, 70153), (15184, 67270), (15376, 66430), (15841, 64480), (16120, 63364), (16352, 62465), (17360, 58838), (18104, 56420), (18980, 53816), (19220, 53144), (20440, 49972), (22568, 45260), (22630, 45136), (24986, 40880), (26572, 38440), (26908, 37960), (28210, 36208), (29419, 34720), (30368, 33635), (30752, 33215), (31682, 32240)]