25161720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{683}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 75841920

約数和(自身を除く): 50680200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 683, 921, 1228, 1366, 1535, 1842, 2049, 2456, 2732, 3070, 3415, 3684, 4098, 4605, 5464, 6140, 6830, 7368, 8196, 9210, 10245, 12280, 13660, 16392, 18420, 20490, 27320, 36840, 40980, 81960, 209681, 419362, 629043, 838724, 1048405, 1258086, 1677448, 2096810, 2516172, 3145215, 4193620, 5032344, 6290430, 8387240, 12580860, 25161720]

約数ペア:

[(1, 25161720), (2, 12580860), (3, 8387240), (4, 6290430), (5, 5032344), (6, 4193620), (8, 3145215), (10, 2516172), (12, 2096810), (15, 1677448), (20, 1258086), (24, 1048405), (30, 838724), (40, 629043), (60, 419362), (120, 209681), (307, 81960), (614, 40980), (683, 36840), (921, 27320), (1228, 20490), (1366, 18420), (1535, 16392), (1842, 13660), (2049, 12280), (2456, 10245), (2732, 9210), (3070, 8196), (3415, 7368), (3684, 6830), (4098, 6140), (4605, 5464)]