245575320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3163}}^1$

素因数の和:3824

約数の個数: 64

約数和(自身を含む): 738097920

約数和(自身を除く): 492522600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3163, 3235, 3882, 5176, 6326, 6470, 7764, 9489, 9705, 12652, 12940, 15528, 15815, 18978, 19410, 25304, 25880, 31630, 37956, 38820, 47445, 63260, 75912, 77640, 94890, 126520, 189780, 379560, 2046461, 4092922, 6139383, 8185844, 10232305, 12278766, 16371688, 20464610, 24557532, 30696915, 40929220, 49115064, 61393830, 81858440, 122787660, 245575320]

約数ペア:

[(1, 245575320), (2, 122787660), (3, 81858440), (4, 61393830), (5, 49115064), (6, 40929220), (8, 30696915), (10, 24557532), (12, 20464610), (15, 16371688), (20, 12278766), (24, 10232305), (30, 8185844), (40, 6139383), (60, 4092922), (120, 2046461), (647, 379560), (1294, 189780), (1941, 126520), (2588, 94890), (3163, 77640), (3235, 75912), (3882, 63260), (5176, 47445), (6326, 38820), (6470, 37956), (7764, 31630), (9489, 25880), (9705, 25304), (12652, 19410), (12940, 18978), (15528, 15815)]