81569880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32369}}^1$

素因数の和:32393

約数の個数: 96

約数和(自身を含む): 302983200

約数和(自身を除く): 221413320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32369, 64738, 97107, 129476, 161845, 194214, 226583, 258952, 291321, 323690, 388428, 453166, 485535, 582642, 647380, 679749, 776856, 906332, 971070, 1132915, 1165284, 1294760, 1359498, 1456605, 1812664, 1942140, 2039247, 2265830, 2330568, 2718996, 2913210, 3398745, 3884280, 4078494, 4531660, 5437992, 5826420, 6797490, 8156988, 9063320, 10196235, 11652840, 13594980, 16313976, 20392470, 27189960, 40784940, 81569880]

約数ペア:

[(1, 81569880), (2, 40784940), (3, 27189960), (4, 20392470), (5, 16313976), (6, 13594980), (7, 11652840), (8, 10196235), (9, 9063320), (10, 8156988), (12, 6797490), (14, 5826420), (15, 5437992), (18, 4531660), (20, 4078494), (21, 3884280), (24, 3398745), (28, 2913210), (30, 2718996), (35, 2330568), (36, 2265830), (40, 2039247), (42, 1942140), (45, 1812664), (56, 1456605), (60, 1359498), (63, 1294760), (70, 1165284), (72, 1132915), (84, 971070), (90, 906332), (105, 776856), (120, 679749), (126, 647380), (140, 582642), (168, 485535), (180, 453166), (210, 388428), (252, 323690), (280, 291321), (315, 258952), (360, 226583), (420, 194214), (504, 161845), (630, 129476), (840, 97107), (1260, 64738), (2520, 32369)]