142428840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 441158400

約数和(自身を除く): 298729560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 73, 120, 142, 146, 213, 219, 229, 284, 292, 355, 365, 426, 438, 458, 568, 584, 687, 710, 730, 852, 876, 916, 1065, 1095, 1145, 1374, 1420, 1460, 1704, 1752, 1832, 2130, 2190, 2290, 2748, 2840, 2920, 3435, 4260, 4380, 4580, 5183, 5496, 6870, 8520, 8760, 9160, 10366, 13740, 15549, 16259, 16717, 20732, 25915, 27480, 31098, 32518, 33434, 41464, 48777, 50151, 51830, 62196, 65036, 66868, 77745, 81295, 83585, 97554, 100302, 103660, 124392, 130072, 133736, 155490, 162590, 167170, 195108, 200604, 207320, 243885, 250755, 310980, 325180, 334340, 390216, 401208, 487770, 501510, 621960, 650360, 668680, 975540, 1003020, 1186907, 1951080, 2006040, 2373814, 3560721, 4747628, 5934535, 7121442, 9495256, 11869070, 14242884, 17803605, 23738140, 28485768, 35607210, 47476280, 71214420, 142428840]

約数ペア:

[(1, 142428840), (2, 71214420), (3, 47476280), (4, 35607210), (5, 28485768), (6, 23738140), (8, 17803605), (10, 14242884), (12, 11869070), (15, 9495256), (20, 7121442), (24, 5934535), (30, 4747628), (40, 3560721), (60, 2373814), (71, 2006040), (73, 1951080), (120, 1186907), (142, 1003020), (146, 975540), (213, 668680), (219, 650360), (229, 621960), (284, 501510), (292, 487770), (355, 401208), (365, 390216), (426, 334340), (438, 325180), (458, 310980), (568, 250755), (584, 243885), (687, 207320), (710, 200604), (730, 195108), (852, 167170), (876, 162590), (916, 155490), (1065, 133736), (1095, 130072), (1145, 124392), (1374, 103660), (1420, 100302), (1460, 97554), (1704, 83585), (1752, 81295), (1832, 77745), (2130, 66868), (2190, 65036), (2290, 62196), (2748, 51830), (2840, 50151), (2920, 48777), (3435, 41464), (4260, 33434), (4380, 32518), (4580, 31098), (5183, 27480), (5496, 25915), (6870, 20732), (8520, 16717), (8760, 16259), (9160, 15549), (10366, 13740)]