38907960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 192

約数和(自身を含む): 146512800

約数和(自身を除く): 107604840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 509, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1018, 1092, 1176, 1274, 1365, 1470, 1527, 1560, 1820, 1911, 1960, 2036, 2184, 2545, 2548, 2730, 2940, 3054, 3185, 3563, 3640, 3822, 4072, 5090, 5096, 5460, 5880, 6108, 6370, 6617, 7126, 7635, 7644, 9555, 10180, 10689, 10920, 12216, 12740, 13234, 14252, 15270, 15288, 17815, 19110, 19851, 20360, 21378, 24941, 25480, 26468, 28504, 30540, 33085, 35630, 38220, 39702, 42756, 46319, 49882, 52936, 53445, 61080, 66170, 71260, 74823, 76440, 79404, 85512, 92638, 99255, 99764, 106890, 124705, 132340, 138957, 142520, 149646, 158808, 185276, 198510, 199528, 213780, 231595, 249410, 264680, 277914, 299292, 324233, 370552, 374115, 397020, 427560, 463190, 498820, 555828, 598584, 648466, 694785, 748230, 794040, 926380, 972699, 997640, 1111656, 1296932, 1389570, 1496460, 1621165, 1852760, 1945398, 2593864, 2779140, 2992920, 3242330, 3890796, 4863495, 5558280, 6484660, 7781592, 9726990, 12969320, 19453980, 38907960]

約数ペア:

[(1, 38907960), (2, 19453980), (3, 12969320), (4, 9726990), (5, 7781592), (6, 6484660), (7, 5558280), (8, 4863495), (10, 3890796), (12, 3242330), (13, 2992920), (14, 2779140), (15, 2593864), (20, 1945398), (21, 1852760), (24, 1621165), (26, 1496460), (28, 1389570), (30, 1296932), (35, 1111656), (39, 997640), (40, 972699), (42, 926380), (49, 794040), (52, 748230), (56, 694785), (60, 648466), (65, 598584), (70, 555828), (78, 498820), (84, 463190), (91, 427560), (98, 397020), (104, 374115), (105, 370552), (120, 324233), (130, 299292), (140, 277914), (147, 264680), (156, 249410), (168, 231595), (182, 213780), (195, 199528), (196, 198510), (210, 185276), (245, 158808), (260, 149646), (273, 142520), (280, 138957), (294, 132340), (312, 124705), (364, 106890), (390, 99764), (392, 99255), (420, 92638), (455, 85512), (490, 79404), (509, 76440), (520, 74823), (546, 71260), (588, 66170), (637, 61080), (728, 53445), (735, 52936), (780, 49882), (840, 46319), (910, 42756), (980, 39702), (1018, 38220), (1092, 35630), (1176, 33085), (1274, 30540), (1365, 28504), (1470, 26468), (1527, 25480), (1560, 24941), (1820, 21378), (1911, 20360), (1960, 19851), (2036, 19110), (2184, 17815), (2545, 15288), (2548, 15270), (2730, 14252), (2940, 13234), (3054, 12740), (3185, 12216), (3563, 10920), (3640, 10689), (3822, 10180), (4072, 9555), (5090, 7644), (5096, 7635), (5460, 7126), (5880, 6617), (6108, 6370)]