201601660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 472131072

約数和(自身を除く): 270529412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 71, 130, 134, 142, 163, 260, 268, 284, 326, 335, 355, 652, 670, 710, 815, 871, 923, 1340, 1420, 1630, 1742, 1846, 2119, 3260, 3484, 3692, 4238, 4355, 4615, 4757, 8476, 8710, 9230, 9514, 10595, 10921, 11573, 17420, 18460, 19028, 21190, 21842, 23146, 23785, 42380, 43684, 46292, 47570, 54605, 57865, 61841, 95140, 109210, 115730, 123682, 141973, 150449, 218420, 231460, 247364, 283946, 300898, 309205, 567892, 601796, 618410, 709865, 752245, 775391, 1236820, 1419730, 1504490, 1550782, 2839460, 3008980, 3101564, 3876955, 7753910, 10080083, 15507820, 20160166, 40320332, 50400415, 100800830, 201601660]

約数ペア:

[(1, 201601660), (2, 100800830), (4, 50400415), (5, 40320332), (10, 20160166), (13, 15507820), (20, 10080083), (26, 7753910), (52, 3876955), (65, 3101564), (67, 3008980), (71, 2839460), (130, 1550782), (134, 1504490), (142, 1419730), (163, 1236820), (260, 775391), (268, 752245), (284, 709865), (326, 618410), (335, 601796), (355, 567892), (652, 309205), (670, 300898), (710, 283946), (815, 247364), (871, 231460), (923, 218420), (1340, 150449), (1420, 141973), (1630, 123682), (1742, 115730), (1846, 109210), (2119, 95140), (3260, 61841), (3484, 57865), (3692, 54605), (4238, 47570), (4355, 46292), (4615, 43684), (4757, 42380), (8476, 23785), (8710, 23146), (9230, 21842), (9514, 21190), (10595, 19028), (10921, 18460), (11573, 17420)]