318381420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{108293}}^1$

素因数の和:108319

約数の個数: 72

約数和(自身を含む): 1037023344

約数和(自身を除く): 718641924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 108293, 216586, 324879, 433172, 541465, 649758, 758051, 1082930, 1299516, 1516102, 1624395, 2165860, 2274153, 3032204, 3248790, 3790255, 4548306, 5306357, 6497580, 7580510, 9096612, 10612714, 11370765, 15161020, 15919071, 21225428, 22741530, 26531785, 31838142, 45483060, 53063570, 63676284, 79595355, 106127140, 159190710, 318381420]

約数ペア:

[(1, 318381420), (2, 159190710), (3, 106127140), (4, 79595355), (5, 63676284), (6, 53063570), (7, 45483060), (10, 31838142), (12, 26531785), (14, 22741530), (15, 21225428), (20, 15919071), (21, 15161020), (28, 11370765), (30, 10612714), (35, 9096612), (42, 7580510), (49, 6497580), (60, 5306357), (70, 4548306), (84, 3790255), (98, 3248790), (105, 3032204), (140, 2274153), (147, 2165860), (196, 1624395), (210, 1516102), (245, 1299516), (294, 1082930), (420, 758051), (490, 649758), (588, 541465), (735, 433172), (980, 324879), (1470, 216586), (2940, 108293)]