42487440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 141419520

約数和(自身を除く): 98932080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 43, 46, 48, 60, 69, 80, 86, 92, 115, 120, 129, 138, 172, 179, 184, 215, 230, 240, 258, 276, 344, 345, 358, 368, 430, 460, 516, 537, 552, 645, 688, 690, 716, 860, 895, 920, 989, 1032, 1074, 1104, 1290, 1380, 1432, 1720, 1790, 1840, 1978, 2064, 2148, 2580, 2685, 2760, 2864, 2967, 3440, 3580, 3956, 4117, 4296, 4945, 5160, 5370, 5520, 5934, 7160, 7697, 7912, 8234, 8592, 9890, 10320, 10740, 11868, 12351, 14320, 14835, 15394, 15824, 16468, 19780, 20585, 21480, 23091, 23736, 24702, 29670, 30788, 32936, 38485, 39560, 41170, 42960, 46182, 47472, 49404, 59340, 61576, 61755, 65872, 76970, 79120, 82340, 92364, 98808, 115455, 118680, 123152, 123510, 153940, 164680, 177031, 184728, 197616, 230910, 237360, 247020, 307880, 329360, 354062, 369456, 461820, 494040, 531093, 615760, 708124, 885155, 923640, 988080, 1062186, 1416248, 1770310, 1847280, 2124372, 2655465, 2832496, 3540620, 4248744, 5310930, 7081240, 8497488, 10621860, 14162480, 21243720, 42487440]

約数ペア:

[(1, 42487440), (2, 21243720), (3, 14162480), (4, 10621860), (5, 8497488), (6, 7081240), (8, 5310930), (10, 4248744), (12, 3540620), (15, 2832496), (16, 2655465), (20, 2124372), (23, 1847280), (24, 1770310), (30, 1416248), (40, 1062186), (43, 988080), (46, 923640), (48, 885155), (60, 708124), (69, 615760), (80, 531093), (86, 494040), (92, 461820), (115, 369456), (120, 354062), (129, 329360), (138, 307880), (172, 247020), (179, 237360), (184, 230910), (215, 197616), (230, 184728), (240, 177031), (258, 164680), (276, 153940), (344, 123510), (345, 123152), (358, 118680), (368, 115455), (430, 98808), (460, 92364), (516, 82340), (537, 79120), (552, 76970), (645, 65872), (688, 61755), (690, 61576), (716, 59340), (860, 49404), (895, 47472), (920, 46182), (989, 42960), (1032, 41170), (1074, 39560), (1104, 38485), (1290, 32936), (1380, 30788), (1432, 29670), (1720, 24702), (1790, 23736), (1840, 23091), (1978, 21480), (2064, 20585), (2148, 19780), (2580, 16468), (2685, 15824), (2760, 15394), (2864, 14835), (2967, 14320), (3440, 12351), (3580, 11868), (3956, 10740), (4117, 10320), (4296, 9890), (4945, 8592), (5160, 8234), (5370, 7912), (5520, 7697), (5934, 7160)]