787740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 2325120

約数和(自身を除く): 1537380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 691, 1140, 1382, 2073, 2764, 3455, 4146, 6910, 8292, 10365, 13129, 13820, 20730, 26258, 39387, 41460, 52516, 65645, 78774, 131290, 157548, 196935, 262580, 393870, 787740]

約数ペア:

[(1, 787740), (2, 393870), (3, 262580), (4, 196935), (5, 157548), (6, 131290), (10, 78774), (12, 65645), (15, 52516), (19, 41460), (20, 39387), (30, 26258), (38, 20730), (57, 13820), (60, 13129), (76, 10365), (95, 8292), (114, 6910), (190, 4146), (228, 3455), (285, 2764), (380, 2073), (570, 1382), (691, 1140)]