121987580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 322074144

約数和(自身を除く): 200086564

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, 193, 220, 221, 260, 286, 338, 340, 374, 386, 442, 572, 676, 715, 748, 772, 845, 884, 935, 965, 1105, 1430, 1690, 1859, 1870, 1930, 2123, 2210, 2431, 2509, 2860, 2873, 3281, 3380, 3718, 3740, 3860, 4246, 4420, 4862, 5018, 5746, 6562, 7436, 8492, 9295, 9724, 10036, 10615, 11492, 12155, 12545, 13124, 14365, 16405, 18590, 21230, 24310, 25090, 27599, 28730, 31603, 32617, 32810, 36091, 37180, 42460, 42653, 48620, 50180, 55198, 57460, 63206, 65234, 65620, 72182, 85306, 110396, 126412, 130468, 137995, 144364, 158015, 163085, 170612, 180455, 213265, 275990, 316030, 326170, 358787, 360910, 426530, 469183, 551980, 554489, 632060, 652340, 717574, 721820, 853060, 938366, 1108978, 1435148, 1793935, 1876732, 2217956, 2345915, 2772445, 3587870, 4691830, 5544890, 6099379, 7175740, 9383660, 11089780, 12198758, 24397516, 30496895, 60993790, 121987580]

約数ペア:

[(1, 121987580), (2, 60993790), (4, 30496895), (5, 24397516), (10, 12198758), (11, 11089780), (13, 9383660), (17, 7175740), (20, 6099379), (22, 5544890), (26, 4691830), (34, 3587870), (44, 2772445), (52, 2345915), (55, 2217956), (65, 1876732), (68, 1793935), (85, 1435148), (110, 1108978), (130, 938366), (143, 853060), (169, 721820), (170, 717574), (187, 652340), (193, 632060), (220, 554489), (221, 551980), (260, 469183), (286, 426530), (338, 360910), (340, 358787), (374, 326170), (386, 316030), (442, 275990), (572, 213265), (676, 180455), (715, 170612), (748, 163085), (772, 158015), (845, 144364), (884, 137995), (935, 130468), (965, 126412), (1105, 110396), (1430, 85306), (1690, 72182), (1859, 65620), (1870, 65234), (1930, 63206), (2123, 57460), (2210, 55198), (2431, 50180), (2509, 48620), (2860, 42653), (2873, 42460), (3281, 37180), (3380, 36091), (3718, 32810), (3740, 32617), (3860, 31603), (4246, 28730), (4420, 27599), (4862, 25090), (5018, 24310), (5746, 21230), (6562, 18590), (7436, 16405), (8492, 14365), (9295, 13124), (9724, 12545), (10036, 12155), (10615, 11492)]