90328980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 290304000

約数和(自身を除く): 199975020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 431, 499, 862, 998, 1293, 1497, 1724, 1996, 2155, 2495, 2586, 2994, 3017, 3493, 4310, 4990, 5172, 5988, 6034, 6465, 6986, 7485, 8620, 9051, 9980, 10479, 12068, 12930, 13972, 14970, 15085, 17465, 18102, 20958, 25860, 29940, 30170, 34930, 36204, 41916, 45255, 52395, 60340, 69860, 90510, 104790, 181020, 209580, 215069, 430138, 645207, 860276, 1075345, 1290414, 1505483, 2150690, 2580828, 3010966, 3226035, 4301380, 4516449, 6021932, 6452070, 7527415, 9032898, 12904140, 15054830, 18065796, 22582245, 30109660, 45164490, 90328980]

約数ペア:

[(1, 90328980), (2, 45164490), (3, 30109660), (4, 22582245), (5, 18065796), (6, 15054830), (7, 12904140), (10, 9032898), (12, 7527415), (14, 6452070), (15, 6021932), (20, 4516449), (21, 4301380), (28, 3226035), (30, 3010966), (35, 2580828), (42, 2150690), (60, 1505483), (70, 1290414), (84, 1075345), (105, 860276), (140, 645207), (210, 430138), (420, 215069), (431, 209580), (499, 181020), (862, 104790), (998, 90510), (1293, 69860), (1497, 60340), (1724, 52395), (1996, 45255), (2155, 41916), (2495, 36204), (2586, 34930), (2994, 30170), (3017, 29940), (3493, 25860), (4310, 20958), (4990, 18102), (5172, 17465), (5988, 15085), (6034, 14970), (6465, 13972), (6986, 12930), (7485, 12068), (8620, 10479), (9051, 9980)]