378475380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3181}}^1$

素因数の和:3857

約数の個数: 72

約数和(自身を含む): 1150140264

約数和(自身を除く): 771664884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1983, 2644, 3181, 3305, 3966, 5949, 6362, 6610, 7932, 9543, 9915, 11898, 12724, 13220, 15905, 19086, 19830, 23796, 28629, 29745, 31810, 38172, 39660, 47715, 57258, 59490, 63620, 95430, 114516, 118980, 143145, 190860, 286290, 572580, 2102641, 4205282, 6307923, 8410564, 10513205, 12615846, 18923769, 21026410, 25231692, 31539615, 37847538, 42052820, 63079230, 75695076, 94618845, 126158460, 189237690, 378475380]

約数ペア:

[(1, 378475380), (2, 189237690), (3, 126158460), (4, 94618845), (5, 75695076), (6, 63079230), (9, 42052820), (10, 37847538), (12, 31539615), (15, 25231692), (18, 21026410), (20, 18923769), (30, 12615846), (36, 10513205), (45, 8410564), (60, 6307923), (90, 4205282), (180, 2102641), (661, 572580), (1322, 286290), (1983, 190860), (2644, 143145), (3181, 118980), (3305, 114516), (3966, 95430), (5949, 63620), (6362, 59490), (6610, 57258), (7932, 47715), (9543, 39660), (9915, 38172), (11898, 31810), (12724, 29745), (13220, 28629), (15905, 23796), (19086, 19830)]