71945880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 225054720

約数和(自身を除く): 153108840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 73, 86, 120, 129, 146, 172, 191, 215, 219, 258, 292, 344, 365, 382, 430, 438, 516, 573, 584, 645, 730, 764, 860, 876, 955, 1032, 1095, 1146, 1290, 1460, 1528, 1720, 1752, 1910, 2190, 2292, 2580, 2865, 2920, 3139, 3820, 4380, 4584, 5160, 5730, 6278, 7640, 8213, 8760, 9417, 11460, 12556, 13943, 15695, 16426, 18834, 22920, 24639, 25112, 27886, 31390, 32852, 37668, 41065, 41829, 47085, 49278, 55772, 62780, 65704, 69715, 75336, 82130, 83658, 94170, 98556, 111544, 123195, 125560, 139430, 164260, 167316, 188340, 197112, 209145, 246390, 278860, 328520, 334632, 376680, 418290, 492780, 557720, 599549, 836580, 985560, 1199098, 1673160, 1798647, 2398196, 2997745, 3597294, 4796392, 5995490, 7194588, 8993235, 11990980, 14389176, 17986470, 23981960, 35972940, 71945880]

約数ペア:

[(1, 71945880), (2, 35972940), (3, 23981960), (4, 17986470), (5, 14389176), (6, 11990980), (8, 8993235), (10, 7194588), (12, 5995490), (15, 4796392), (20, 3597294), (24, 2997745), (30, 2398196), (40, 1798647), (43, 1673160), (60, 1199098), (73, 985560), (86, 836580), (120, 599549), (129, 557720), (146, 492780), (172, 418290), (191, 376680), (215, 334632), (219, 328520), (258, 278860), (292, 246390), (344, 209145), (365, 197112), (382, 188340), (430, 167316), (438, 164260), (516, 139430), (573, 125560), (584, 123195), (645, 111544), (730, 98556), (764, 94170), (860, 83658), (876, 82130), (955, 75336), (1032, 69715), (1095, 65704), (1146, 62780), (1290, 55772), (1460, 49278), (1528, 47085), (1720, 41829), (1752, 41065), (1910, 37668), (2190, 32852), (2292, 31390), (2580, 27886), (2865, 25112), (2920, 24639), (3139, 22920), (3820, 18834), (4380, 16426), (4584, 15695), (5160, 13943), (5730, 12556), (6278, 11460), (7640, 9417), (8213, 8760)]