71586540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{797}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 217854000

約数和(自身を除く): 146267460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 797, 998, 1497, 1594, 1996, 2391, 2495, 2994, 3188, 3985, 4491, 4782, 4990, 5988, 7173, 7485, 7970, 8982, 9564, 9980, 11955, 14346, 14970, 15940, 17964, 22455, 23910, 28692, 29940, 35865, 44910, 47820, 71730, 89820, 143460, 397703, 795406, 1193109, 1590812, 1988515, 2386218, 3579327, 3977030, 4772436, 5965545, 7158654, 7954060, 11931090, 14317308, 17896635, 23862180, 35793270, 71586540]

約数ペア:

[(1, 71586540), (2, 35793270), (3, 23862180), (4, 17896635), (5, 14317308), (6, 11931090), (9, 7954060), (10, 7158654), (12, 5965545), (15, 4772436), (18, 3977030), (20, 3579327), (30, 2386218), (36, 1988515), (45, 1590812), (60, 1193109), (90, 795406), (180, 397703), (499, 143460), (797, 89820), (998, 71730), (1497, 47820), (1594, 44910), (1996, 35865), (2391, 29940), (2495, 28692), (2994, 23910), (3188, 22455), (3985, 17964), (4491, 15940), (4782, 14970), (4990, 14346), (5988, 11955), (7173, 9980), (7485, 9564), (7970, 8982)]