31217130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 65550870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 83, 90, 105, 126, 135, 166, 189, 199, 210, 249, 270, 315, 378, 398, 415, 498, 581, 597, 630, 747, 830, 945, 995, 1162, 1194, 1245, 1393, 1494, 1743, 1791, 1890, 1990, 2241, 2490, 2786, 2905, 2985, 3486, 3582, 3735, 4179, 4482, 5229, 5373, 5810, 5970, 6965, 7470, 8358, 8715, 8955, 10458, 10746, 11205, 12537, 13930, 15687, 16517, 17430, 17910, 20895, 22410, 25074, 26145, 26865, 31374, 33034, 37611, 41790, 49551, 52290, 53730, 62685, 75222, 78435, 82585, 99102, 115619, 125370, 148653, 156870, 165170, 188055, 231238, 247755, 297306, 346857, 376110, 445959, 495510, 578095, 693714, 743265, 891918, 1040571, 1156190, 1486530, 1734285, 2081142, 2229795, 3121713, 3468570, 4459590, 5202855, 6243426, 10405710, 15608565, 31217130]

約数ペア:

[(1, 31217130), (2, 15608565), (3, 10405710), (5, 6243426), (6, 5202855), (7, 4459590), (9, 3468570), (10, 3121713), (14, 2229795), (15, 2081142), (18, 1734285), (21, 1486530), (27, 1156190), (30, 1040571), (35, 891918), (42, 743265), (45, 693714), (54, 578095), (63, 495510), (70, 445959), (83, 376110), (90, 346857), (105, 297306), (126, 247755), (135, 231238), (166, 188055), (189, 165170), (199, 156870), (210, 148653), (249, 125370), (270, 115619), (315, 99102), (378, 82585), (398, 78435), (415, 75222), (498, 62685), (581, 53730), (597, 52290), (630, 49551), (747, 41790), (830, 37611), (945, 33034), (995, 31374), (1162, 26865), (1194, 26145), (1245, 25074), (1393, 22410), (1494, 20895), (1743, 17910), (1791, 17430), (1890, 16517), (1990, 15687), (2241, 13930), (2490, 12537), (2786, 11205), (2905, 10746), (2985, 10458), (3486, 8955), (3582, 8715), (3735, 8358), (4179, 7470), (4482, 6965), (5229, 5970), (5373, 5810)]