1280547900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{10091}}^1$

素因数の和:10161

約数の個数: 144

約数和(自身を含む): 4204730880

約数和(自身を除く): 2924182980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 90, 94, 100, 108, 135, 141, 150, 180, 188, 225, 235, 270, 282, 300, 423, 450, 470, 540, 564, 675, 705, 846, 900, 940, 1175, 1269, 1350, 1410, 1692, 2115, 2350, 2538, 2700, 2820, 3525, 4230, 4700, 5076, 6345, 7050, 8460, 10091, 10575, 12690, 14100, 20182, 21150, 25380, 30273, 31725, 40364, 42300, 50455, 60546, 63450, 90819, 100910, 121092, 126900, 151365, 181638, 201820, 252275, 272457, 302730, 363276, 454095, 474277, 504550, 544914, 605460, 756825, 908190, 948554, 1009100, 1089828, 1362285, 1422831, 1513650, 1816380, 1897108, 2270475, 2371385, 2724570, 2845662, 3027300, 4268493, 4540950, 4742770, 5449140, 5691324, 6811425, 7114155, 8536986, 9081900, 9485540, 11856925, 12805479, 13622850, 14228310, 17073972, 21342465, 23713850, 25610958, 27245700, 28456620, 35570775, 42684930, 47427700, 51221916, 64027395, 71141550, 85369860, 106712325, 128054790, 142283100, 213424650, 256109580, 320136975, 426849300, 640273950, 1280547900]

約数ペア:

[(1, 1280547900), (2, 640273950), (3, 426849300), (4, 320136975), (5, 256109580), (6, 213424650), (9, 142283100), (10, 128054790), (12, 106712325), (15, 85369860), (18, 71141550), (20, 64027395), (25, 51221916), (27, 47427700), (30, 42684930), (36, 35570775), (45, 28456620), (47, 27245700), (50, 25610958), (54, 23713850), (60, 21342465), (75, 17073972), (90, 14228310), (94, 13622850), (100, 12805479), (108, 11856925), (135, 9485540), (141, 9081900), (150, 8536986), (180, 7114155), (188, 6811425), (225, 5691324), (235, 5449140), (270, 4742770), (282, 4540950), (300, 4268493), (423, 3027300), (450, 2845662), (470, 2724570), (540, 2371385), (564, 2270475), (675, 1897108), (705, 1816380), (846, 1513650), (900, 1422831), (940, 1362285), (1175, 1089828), (1269, 1009100), (1350, 948554), (1410, 908190), (1692, 756825), (2115, 605460), (2350, 544914), (2538, 504550), (2700, 474277), (2820, 454095), (3525, 363276), (4230, 302730), (4700, 272457), (5076, 252275), (6345, 201820), (7050, 181638), (8460, 151365), (10091, 126900), (10575, 121092), (12690, 100910), (14100, 90819), (20182, 63450), (21150, 60546), (25380, 50455), (30273, 42300), (31725, 40364)]