30625720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 43246280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 683, 760, 1121, 1180, 1366, 2242, 2360, 2732, 3415, 4484, 5464, 5605, 6830, 8968, 11210, 12977, 13660, 22420, 25954, 27320, 40297, 44840, 51908, 64885, 80594, 103816, 129770, 161188, 201485, 259540, 322376, 402970, 519080, 765643, 805940, 1531286, 1611880, 3062572, 3828215, 6125144, 7656430, 15312860, 30625720]

約数ペア:

[(1, 30625720), (2, 15312860), (4, 7656430), (5, 6125144), (8, 3828215), (10, 3062572), (19, 1611880), (20, 1531286), (38, 805940), (40, 765643), (59, 519080), (76, 402970), (95, 322376), (118, 259540), (152, 201485), (190, 161188), (236, 129770), (295, 103816), (380, 80594), (472, 64885), (590, 51908), (683, 44840), (760, 40297), (1121, 27320), (1180, 25954), (1366, 22420), (2242, 13660), (2360, 12977), (2732, 11210), (3415, 8968), (4484, 6830), (5464, 5605)]