213177420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131591}}^1$

素因数の和:131612

約数の個数: 60

約数和(自身を含む): 668750544

約数和(自身を除く): 455573124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 131591, 263182, 394773, 526364, 657955, 789546, 1184319, 1315910, 1579092, 1973865, 2368638, 2631820, 3552957, 3947730, 4737276, 5921595, 7105914, 7895460, 10658871, 11843190, 14211828, 17764785, 21317742, 23686380, 35529570, 42635484, 53294355, 71059140, 106588710, 213177420]

約数ペア:

[(1, 213177420), (2, 106588710), (3, 71059140), (4, 53294355), (5, 42635484), (6, 35529570), (9, 23686380), (10, 21317742), (12, 17764785), (15, 14211828), (18, 11843190), (20, 10658871), (27, 7895460), (30, 7105914), (36, 5921595), (45, 4737276), (54, 3947730), (60, 3552957), (81, 2631820), (90, 2368638), (108, 1973865), (135, 1579092), (162, 1315910), (180, 1184319), (270, 789546), (324, 657955), (405, 526364), (540, 394773), (810, 263182), (1620, 131591)]