431225820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4801}}^1$

素因数の和:5315

約数の個数: 72

約数和(自身を含む): 1310946000

約数和(自身を除く): 879720180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4801, 4990, 5988, 7485, 8982, 9602, 9980, 14403, 14970, 17964, 19204, 22455, 24005, 28806, 29940, 43209, 44910, 48010, 57612, 72015, 86418, 89820, 96020, 144030, 172836, 216045, 288060, 432090, 864180, 2395699, 4791398, 7187097, 9582796, 11978495, 14374194, 21561291, 23956990, 28748388, 35935485, 43122582, 47913980, 71870970, 86245164, 107806455, 143741940, 215612910, 431225820]

約数ペア:

[(1, 431225820), (2, 215612910), (3, 143741940), (4, 107806455), (5, 86245164), (6, 71870970), (9, 47913980), (10, 43122582), (12, 35935485), (15, 28748388), (18, 23956990), (20, 21561291), (30, 14374194), (36, 11978495), (45, 9582796), (60, 7187097), (90, 4791398), (180, 2395699), (499, 864180), (998, 432090), (1497, 288060), (1996, 216045), (2495, 172836), (2994, 144030), (4491, 96020), (4801, 89820), (4990, 86418), (5988, 72015), (7485, 57612), (8982, 48010), (9602, 44910), (9980, 43209), (14403, 29940), (14970, 28806), (17964, 24005), (19204, 22455)]