81644340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6449}}^1$

素因数の和:6672

約数の個数: 48

約数和(自身を含む): 229723200

約数和(自身を除く): 148078860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2532, 3165, 4220, 6330, 6449, 12660, 12898, 19347, 25796, 32245, 38694, 64490, 77388, 96735, 128980, 193470, 386940, 1360739, 2721478, 4082217, 5442956, 6803695, 8164434, 13607390, 16328868, 20411085, 27214780, 40822170, 81644340]

約数ペア:

[(1, 81644340), (2, 40822170), (3, 27214780), (4, 20411085), (5, 16328868), (6, 13607390), (10, 8164434), (12, 6803695), (15, 5442956), (20, 4082217), (30, 2721478), (60, 1360739), (211, 386940), (422, 193470), (633, 128980), (844, 96735), (1055, 77388), (1266, 64490), (2110, 38694), (2532, 32245), (3165, 25796), (4220, 19347), (6330, 12898), (6449, 12660)]