642379920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 320

約数和(自身を含む): 2493173760

約数和(自身を除く): 1850793840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 67, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 134, 140, 156, 168, 182, 195, 201, 208, 210, 240, 260, 268, 273, 280, 312, 335, 336, 364, 390, 402, 420, 439, 455, 469, 520, 536, 546, 560, 624, 670, 728, 780, 804, 840, 871, 878, 910, 938, 1005, 1040, 1072, 1092, 1317, 1340, 1365, 1407, 1456, 1560, 1608, 1680, 1742, 1756, 1820, 1876, 2010, 2184, 2195, 2345, 2613, 2634, 2680, 2730, 2814, 3073, 3120, 3216, 3484, 3512, 3640, 3752, 4020, 4355, 4368, 4390, 4690, 5226, 5268, 5360, 5460, 5628, 5707, 6097, 6146, 6585, 6968, 7024, 7035, 7280, 7504, 8040, 8710, 8780, 9219, 9380, 10452, 10536, 10920, 11256, 11414, 12194, 12292, 13065, 13170, 13936, 14070, 15365, 16080, 17121, 17420, 17560, 18291, 18438, 18760, 20904, 21072, 21840, 22512, 22828, 24388, 24584, 26130, 26340, 28140, 28535, 29413, 30485, 30730, 34242, 34840, 35120, 36582, 36876, 37520, 39949, 41808, 45656, 46095, 48776, 49168, 52260, 52680, 56280, 57070, 58826, 60970, 61460, 68484, 69680, 73164, 73752, 79898, 85605, 88239, 91312, 91455, 92190, 97552, 104520, 105360, 112560, 114140, 117652, 119847, 121940, 122920, 136968, 146328, 147065, 147504, 159796, 171210, 176478, 182910, 184380, 199745, 205891, 209040, 228280, 235304, 239694, 243880, 245840, 273936, 292656, 294130, 319592, 342420, 352956, 365820, 368760, 382369, 399490, 411782, 441195, 456560, 470608, 479388, 487760, 588260, 599235, 617673, 639184, 684840, 705912, 731640, 737520, 764738, 798980, 823564, 882390, 958776, 1029455, 1147107, 1176520, 1198470, 1235346, 1369680, 1411824, 1463280, 1529476, 1597960, 1647128, 1764780, 1911845, 1917552, 2058910, 2294214, 2353040, 2396940, 2470692, 2676583, 3058952, 3088365, 3195920, 3294256, 3529560, 3823690, 4117820, 4588428, 4793880, 4941384, 5353166, 5735535, 6117904, 6176730, 7059120, 7647380, 8029749, 8235640, 9176856, 9587760, 9882768, 10706332, 11471070, 12353460, 13382915, 15294760, 16059498, 16471280, 18353712, 21412664, 22942140, 24706920, 26765830, 30589520, 32118996, 40148745, 42825328, 45884280, 49413840, 53531660, 64237992, 80297490, 91768560, 107063320, 128475984, 160594980, 214126640, 321189960, 642379920]

約数ペア:

[(1, 642379920), (2, 321189960), (3, 214126640), (4, 160594980), (5, 128475984), (6, 107063320), (7, 91768560), (8, 80297490), (10, 64237992), (12, 53531660), (13, 49413840), (14, 45884280), (15, 42825328), (16, 40148745), (20, 32118996), (21, 30589520), (24, 26765830), (26, 24706920), (28, 22942140), (30, 21412664), (35, 18353712), (39, 16471280), (40, 16059498), (42, 15294760), (48, 13382915), (52, 12353460), (56, 11471070), (60, 10706332), (65, 9882768), (67, 9587760), (70, 9176856), (78, 8235640), (80, 8029749), (84, 7647380), (91, 7059120), (104, 6176730), (105, 6117904), (112, 5735535), (120, 5353166), (130, 4941384), (134, 4793880), (140, 4588428), (156, 4117820), (168, 3823690), (182, 3529560), (195, 3294256), (201, 3195920), (208, 3088365), (210, 3058952), (240, 2676583), (260, 2470692), (268, 2396940), (273, 2353040), (280, 2294214), (312, 2058910), (335, 1917552), (336, 1911845), (364, 1764780), (390, 1647128), (402, 1597960), (420, 1529476), (439, 1463280), (455, 1411824), (469, 1369680), (520, 1235346), (536, 1198470), (546, 1176520), (560, 1147107), (624, 1029455), (670, 958776), (728, 882390), (780, 823564), (804, 798980), (840, 764738), (871, 737520), (878, 731640), (910, 705912), (938, 684840), (1005, 639184), (1040, 617673), (1072, 599235), (1092, 588260), (1317, 487760), (1340, 479388), (1365, 470608), (1407, 456560), (1456, 441195), (1560, 411782), (1608, 399490), (1680, 382369), (1742, 368760), (1756, 365820), (1820, 352956), (1876, 342420), (2010, 319592), (2184, 294130), (2195, 292656), (2345, 273936), (2613, 245840), (2634, 243880), (2680, 239694), (2730, 235304), (2814, 228280), (3073, 209040), (3120, 205891), (3216, 199745), (3484, 184380), (3512, 182910), (3640, 176478), (3752, 171210), (4020, 159796), (4355, 147504), (4368, 147065), (4390, 146328), (4690, 136968), (5226, 122920), (5268, 121940), (5360, 119847), (5460, 117652), (5628, 114140), (5707, 112560), (6097, 105360), (6146, 104520), (6585, 97552), (6968, 92190), (7024, 91455), (7035, 91312), (7280, 88239), (7504, 85605), (8040, 79898), (8710, 73752), (8780, 73164), (9219, 69680), (9380, 68484), (10452, 61460), (10536, 60970), (10920, 58826), (11256, 57070), (11414, 56280), (12194, 52680), (12292, 52260), (13065, 49168), (13170, 48776), (13936, 46095), (14070, 45656), (15365, 41808), (16080, 39949), (17121, 37520), (17420, 36876), (17560, 36582), (18291, 35120), (18438, 34840), (18760, 34242), (20904, 30730), (21072, 30485), (21840, 29413), (22512, 28535), (22828, 28140), (24388, 26340), (24584, 26130)]