15740360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 37800000

約数和(自身を除く): 22059640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 149, 152, 190, 278, 298, 380, 556, 596, 695, 745, 760, 1112, 1192, 1390, 1490, 2641, 2780, 2831, 2980, 5282, 5560, 5662, 5960, 10564, 11324, 13205, 14155, 20711, 21128, 22648, 26410, 28310, 41422, 52820, 56620, 82844, 103555, 105640, 113240, 165688, 207110, 393509, 414220, 787018, 828440, 1574036, 1967545, 3148072, 3935090, 7870180, 15740360]

約数ペア:

[(1, 15740360), (2, 7870180), (4, 3935090), (5, 3148072), (8, 1967545), (10, 1574036), (19, 828440), (20, 787018), (38, 414220), (40, 393509), (76, 207110), (95, 165688), (139, 113240), (149, 105640), (152, 103555), (190, 82844), (278, 56620), (298, 52820), (380, 41422), (556, 28310), (596, 26410), (695, 22648), (745, 21128), (760, 20711), (1112, 14155), (1192, 13205), (1390, 11324), (1490, 10564), (2641, 5960), (2780, 5662), (2831, 5560), (2980, 5282)]