8216780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:76

約数の個数: 96

約数和(自身を含む): 21591360

約数和(自身を除く): 13374580

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 169, 170, 187, 220, 221, 260, 286, 338, 340, 374, 442, 572, 676, 715, 748, 845, 884, 935, 1105, 1430, 1690, 1859, 1870, 2197, 2210, 2431, 2860, 2873, 3380, 3718, 3740, 4394, 4420, 4862, 5746, 7436, 8788, 9295, 9724, 10985, 11492, 12155, 14365, 18590, 21970, 24167, 24310, 28730, 31603, 37180, 37349, 43940, 48334, 48620, 57460, 63206, 74698, 96668, 120835, 126412, 149396, 158015, 186745, 241670, 316030, 373490, 410839, 483340, 632060, 746980, 821678, 1643356, 2054195, 4108390, 8216780]

約数ペア:

[(1, 8216780), (2, 4108390), (4, 2054195), (5, 1643356), (10, 821678), (11, 746980), (13, 632060), (17, 483340), (20, 410839), (22, 373490), (26, 316030), (34, 241670), (44, 186745), (52, 158015), (55, 149396), (65, 126412), (68, 120835), (85, 96668), (110, 74698), (130, 63206), (143, 57460), (169, 48620), (170, 48334), (187, 43940), (220, 37349), (221, 37180), (260, 31603), (286, 28730), (338, 24310), (340, 24167), (374, 21970), (442, 18590), (572, 14365), (676, 12155), (715, 11492), (748, 10985), (845, 9724), (884, 9295), (935, 8788), (1105, 7436), (1430, 5746), (1690, 4862), (1859, 4420), (1870, 4394), (2197, 3740), (2210, 3718), (2431, 3380), (2860, 2873)]