164066940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2969}}^1$

素因数の和:3291

約数の個数: 72

約数和(自身を含む): 499458960

約数和(自身を除く): 335392020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 2969, 3070, 3684, 4605, 5526, 5938, 6140, 8907, 9210, 11052, 11876, 13815, 14845, 17814, 18420, 26721, 27630, 29690, 35628, 44535, 53442, 55260, 59380, 89070, 106884, 133605, 178140, 267210, 534420, 911483, 1822966, 2734449, 3645932, 4557415, 5468898, 8203347, 9114830, 10937796, 13672245, 16406694, 18229660, 27344490, 32813388, 41016735, 54688980, 82033470, 164066940]

約数ペア:

[(1, 164066940), (2, 82033470), (3, 54688980), (4, 41016735), (5, 32813388), (6, 27344490), (9, 18229660), (10, 16406694), (12, 13672245), (15, 10937796), (18, 9114830), (20, 8203347), (30, 5468898), (36, 4557415), (45, 3645932), (60, 2734449), (90, 1822966), (180, 911483), (307, 534420), (614, 267210), (921, 178140), (1228, 133605), (1535, 106884), (1842, 89070), (2763, 59380), (2969, 55260), (3070, 53442), (3684, 44535), (4605, 35628), (5526, 29690), (5938, 27630), (6140, 26721), (8907, 18420), (9210, 17814), (11052, 14845), (11876, 13815)]