247145640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9491}}^1$

素因数の和:9543

約数の個数: 128

約数和(自身を含む): 874782720

約数和(自身を除く): 627637080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 9491, 13020, 18982, 26040, 28473, 37964, 47455, 56946, 66437, 75928, 94910, 113892, 132874, 142365, 189820, 199311, 227784, 265748, 284730, 294221, 332185, 379640, 398622, 531496, 569460, 588442, 664370, 797244, 882663, 996555, 1138920, 1176884, 1328740, 1471105, 1594488, 1765326, 1993110, 2059547, 2353768, 2657480, 2942210, 3530652, 3986220, 4119094, 4413315, 5884420, 6178641, 7061304, 7972440, 8238188, 8826630, 10297735, 11768840, 12357282, 16476376, 17653260, 20595470, 24714564, 30893205, 35306520, 41190940, 49429128, 61786410, 82381880, 123572820, 247145640]

約数ペア:

[(1, 247145640), (2, 123572820), (3, 82381880), (4, 61786410), (5, 49429128), (6, 41190940), (7, 35306520), (8, 30893205), (10, 24714564), (12, 20595470), (14, 17653260), (15, 16476376), (20, 12357282), (21, 11768840), (24, 10297735), (28, 8826630), (30, 8238188), (31, 7972440), (35, 7061304), (40, 6178641), (42, 5884420), (56, 4413315), (60, 4119094), (62, 3986220), (70, 3530652), (84, 2942210), (93, 2657480), (105, 2353768), (120, 2059547), (124, 1993110), (140, 1765326), (155, 1594488), (168, 1471105), (186, 1328740), (210, 1176884), (217, 1138920), (248, 996555), (280, 882663), (310, 797244), (372, 664370), (420, 588442), (434, 569460), (465, 531496), (620, 398622), (651, 379640), (744, 332185), (840, 294221), (868, 284730), (930, 265748), (1085, 227784), (1240, 199311), (1302, 189820), (1736, 142365), (1860, 132874), (2170, 113892), (2604, 94910), (3255, 75928), (3720, 66437), (4340, 56946), (5208, 47455), (6510, 37964), (8680, 28473), (9491, 26040), (13020, 18982)]