638472120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1350

約数の個数: 256

約数和(自身を含む): 2329689600

約数和(自身を除く): 1691217480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 29, 30, 33, 39, 40, 44, 52, 55, 58, 60, 65, 66, 78, 87, 88, 104, 110, 116, 120, 130, 132, 143, 145, 156, 165, 174, 195, 220, 232, 260, 264, 286, 290, 312, 319, 330, 348, 377, 390, 429, 435, 440, 520, 572, 580, 638, 660, 696, 715, 754, 780, 858, 870, 957, 1131, 1144, 1160, 1276, 1283, 1320, 1430, 1508, 1560, 1595, 1716, 1740, 1885, 1914, 2145, 2262, 2552, 2566, 2860, 3016, 3190, 3432, 3480, 3770, 3828, 3849, 4147, 4290, 4524, 4785, 5132, 5655, 5720, 6380, 6415, 7540, 7656, 7698, 8294, 8580, 9048, 9570, 10264, 11310, 12441, 12760, 12830, 14113, 15080, 15396, 16588, 16679, 17160, 19140, 19245, 20735, 22620, 24882, 25660, 28226, 30792, 33176, 33358, 37207, 38280, 38490, 41470, 42339, 45240, 49764, 50037, 51320, 56452, 62205, 66716, 70565, 74414, 76980, 82940, 83395, 84678, 99528, 100074, 111621, 112904, 124410, 133432, 141130, 148828, 153960, 165880, 166790, 169356, 183469, 186035, 200148, 211695, 223242, 248820, 250185, 282260, 297656, 333580, 338712, 366938, 372070, 400296, 409277, 423390, 446484, 483691, 497640, 500370, 550407, 558105, 564520, 667160, 733876, 744140, 818554, 846780, 892968, 917345, 967382, 1000740, 1100814, 1116210, 1227831, 1451073, 1467752, 1488280, 1637108, 1693560, 1834690, 1934764, 2001480, 2046385, 2201628, 2232420, 2418455, 2455662, 2752035, 2902146, 3274216, 3669380, 3869528, 4092770, 4403256, 4464840, 4836910, 4911324, 5320601, 5504070, 5804292, 6139155, 7255365, 7338760, 8185540, 9673820, 9822648, 10641202, 11008140, 11608584, 12278310, 14510730, 15961803, 16371080, 19347640, 21282404, 22016280, 24556620, 26603005, 29021460, 31923606, 42564808, 49113240, 53206010, 58042920, 63847212, 79809015, 106412020, 127694424, 159618030, 212824040, 319236060, 638472120]

約数ペア:

[(1, 638472120), (2, 319236060), (3, 212824040), (4, 159618030), (5, 127694424), (6, 106412020), (8, 79809015), (10, 63847212), (11, 58042920), (12, 53206010), (13, 49113240), (15, 42564808), (20, 31923606), (22, 29021460), (24, 26603005), (26, 24556620), (29, 22016280), (30, 21282404), (33, 19347640), (39, 16371080), (40, 15961803), (44, 14510730), (52, 12278310), (55, 11608584), (58, 11008140), (60, 10641202), (65, 9822648), (66, 9673820), (78, 8185540), (87, 7338760), (88, 7255365), (104, 6139155), (110, 5804292), (116, 5504070), (120, 5320601), (130, 4911324), (132, 4836910), (143, 4464840), (145, 4403256), (156, 4092770), (165, 3869528), (174, 3669380), (195, 3274216), (220, 2902146), (232, 2752035), (260, 2455662), (264, 2418455), (286, 2232420), (290, 2201628), (312, 2046385), (319, 2001480), (330, 1934764), (348, 1834690), (377, 1693560), (390, 1637108), (429, 1488280), (435, 1467752), (440, 1451073), (520, 1227831), (572, 1116210), (580, 1100814), (638, 1000740), (660, 967382), (696, 917345), (715, 892968), (754, 846780), (780, 818554), (858, 744140), (870, 733876), (957, 667160), (1131, 564520), (1144, 558105), (1160, 550407), (1276, 500370), (1283, 497640), (1320, 483691), (1430, 446484), (1508, 423390), (1560, 409277), (1595, 400296), (1716, 372070), (1740, 366938), (1885, 338712), (1914, 333580), (2145, 297656), (2262, 282260), (2552, 250185), (2566, 248820), (2860, 223242), (3016, 211695), (3190, 200148), (3432, 186035), (3480, 183469), (3770, 169356), (3828, 166790), (3849, 165880), (4147, 153960), (4290, 148828), (4524, 141130), (4785, 133432), (5132, 124410), (5655, 112904), (5720, 111621), (6380, 100074), (6415, 99528), (7540, 84678), (7656, 83395), (7698, 82940), (8294, 76980), (8580, 74414), (9048, 70565), (9570, 66716), (10264, 62205), (11310, 56452), (12441, 51320), (12760, 50037), (12830, 49764), (14113, 45240), (15080, 42339), (15396, 41470), (16588, 38490), (16679, 38280), (17160, 37207), (19140, 33358), (19245, 33176), (20735, 30792), (22620, 28226), (24882, 25660)]