280952070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 805109760

約数和(自身を除く): 524157690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 103, 105, 155, 186, 206, 210, 217, 309, 310, 419, 434, 465, 515, 618, 651, 721, 838, 930, 1030, 1085, 1257, 1302, 1442, 1545, 2095, 2163, 2170, 2514, 2933, 3090, 3193, 3255, 3605, 4190, 4326, 5866, 6285, 6386, 6510, 7210, 8799, 9579, 10815, 12570, 12989, 14665, 15965, 17598, 19158, 21630, 22351, 25978, 29330, 31930, 38967, 43157, 43995, 44702, 47895, 64945, 67053, 77934, 86314, 87990, 90923, 95790, 111755, 129471, 129890, 134106, 181846, 194835, 215785, 223510, 258942, 272769, 302099, 335265, 389670, 431570, 454615, 545538, 604198, 647355, 670530, 906297, 909230, 1294710, 1337867, 1363845, 1510495, 1812594, 2675734, 2727690, 3020990, 4013601, 4531485, 6689335, 8027202, 9062970, 9365069, 13378670, 18730138, 20068005, 28095207, 40136010, 46825345, 56190414, 93650690, 140476035, 280952070]

約数ペア:

[(1, 280952070), (2, 140476035), (3, 93650690), (5, 56190414), (6, 46825345), (7, 40136010), (10, 28095207), (14, 20068005), (15, 18730138), (21, 13378670), (30, 9365069), (31, 9062970), (35, 8027202), (42, 6689335), (62, 4531485), (70, 4013601), (93, 3020990), (103, 2727690), (105, 2675734), (155, 1812594), (186, 1510495), (206, 1363845), (210, 1337867), (217, 1294710), (309, 909230), (310, 906297), (419, 670530), (434, 647355), (465, 604198), (515, 545538), (618, 454615), (651, 431570), (721, 389670), (838, 335265), (930, 302099), (1030, 272769), (1085, 258942), (1257, 223510), (1302, 215785), (1442, 194835), (1545, 181846), (2095, 134106), (2163, 129890), (2170, 129471), (2514, 111755), (2933, 95790), (3090, 90923), (3193, 87990), (3255, 86314), (3605, 77934), (4190, 67053), (4326, 64945), (5866, 47895), (6285, 44702), (6386, 43995), (6510, 43157), (7210, 38967), (8799, 31930), (9579, 29330), (10815, 25978), (12570, 22351), (12989, 21630), (14665, 19158), (15965, 17598)]