328148520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{390653}}^1$

素因数の和:390674

約数の個数: 64

約数和(自身を含む): 1125083520

約数和(自身を除く): 796935000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 390653, 781306, 1171959, 1562612, 1953265, 2343918, 2734571, 3125224, 3906530, 4687836, 5469142, 5859795, 7813060, 8203713, 9375672, 10938284, 11719590, 13672855, 15626120, 16407426, 21876568, 23439180, 27345710, 32814852, 41018565, 46878360, 54691420, 65629704, 82037130, 109382840, 164074260, 328148520]

約数ペア:

[(1, 328148520), (2, 164074260), (3, 109382840), (4, 82037130), (5, 65629704), (6, 54691420), (7, 46878360), (8, 41018565), (10, 32814852), (12, 27345710), (14, 23439180), (15, 21876568), (20, 16407426), (21, 15626120), (24, 13672855), (28, 11719590), (30, 10938284), (35, 9375672), (40, 8203713), (42, 7813060), (56, 5859795), (60, 5469142), (70, 4687836), (84, 3906530), (105, 3125224), (120, 2734571), (140, 2343918), (168, 1953265), (210, 1562612), (280, 1171959), (420, 781306), (840, 390653)]