664264770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{20521}}^1$

素因数の和:20627

約数の個数: 64

約数和(自身を含む): 1737638784

約数和(自身を除く): 1073374014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 830, 1079, 1245, 2158, 2490, 3237, 5395, 6474, 10790, 16185, 20521, 32370, 41042, 61563, 102605, 123126, 205210, 266773, 307815, 533546, 615630, 800319, 1333865, 1600638, 1703243, 2667730, 3406486, 4001595, 5109729, 8003190, 8516215, 10219458, 17032430, 22142159, 25548645, 44284318, 51097290, 66426477, 110710795, 132852954, 221421590, 332132385, 664264770]

約数ペア:

[(1, 664264770), (2, 332132385), (3, 221421590), (5, 132852954), (6, 110710795), (10, 66426477), (13, 51097290), (15, 44284318), (26, 25548645), (30, 22142159), (39, 17032430), (65, 10219458), (78, 8516215), (83, 8003190), (130, 5109729), (166, 4001595), (195, 3406486), (249, 2667730), (390, 1703243), (415, 1600638), (498, 1333865), (830, 800319), (1079, 615630), (1245, 533546), (2158, 307815), (2490, 266773), (3237, 205210), (5395, 123126), (6474, 102605), (10790, 61563), (16185, 41042), (20521, 32370)]