81621120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{6073}}^1$

素因数の和:6102

約数の個数: 128

約数和(自身を含む): 297383040

約数和(自身を除く): 215761920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6073, 6720, 12146, 13440, 18219, 24292, 30365, 36438, 42511, 48584, 60730, 72876, 85022, 91095, 97168, 121460, 127533, 145752, 170044, 182190, 194336, 212555, 242920, 255066, 291504, 340088, 364380, 388672, 425110, 485840, 510132, 583008, 637665, 680176, 728760, 777344, 850220, 971680, 1020264, 1166016, 1275330, 1360352, 1457520, 1700440, 1943360, 2040528, 2332032, 2550660, 2720704, 2915040, 3400880, 3886720, 4081056, 5101320, 5441408, 5830080, 6801760, 8162112, 10202640, 11660160, 13603520, 16324224, 20405280, 27207040, 40810560, 81621120]

約数ペア:

[(1, 81621120), (2, 40810560), (3, 27207040), (4, 20405280), (5, 16324224), (6, 13603520), (7, 11660160), (8, 10202640), (10, 8162112), (12, 6801760), (14, 5830080), (15, 5441408), (16, 5101320), (20, 4081056), (21, 3886720), (24, 3400880), (28, 2915040), (30, 2720704), (32, 2550660), (35, 2332032), (40, 2040528), (42, 1943360), (48, 1700440), (56, 1457520), (60, 1360352), (64, 1275330), (70, 1166016), (80, 1020264), (84, 971680), (96, 850220), (105, 777344), (112, 728760), (120, 680176), (128, 637665), (140, 583008), (160, 510132), (168, 485840), (192, 425110), (210, 388672), (224, 364380), (240, 340088), (280, 291504), (320, 255066), (336, 242920), (384, 212555), (420, 194336), (448, 182190), (480, 170044), (560, 145752), (640, 127533), (672, 121460), (840, 97168), (896, 91095), (960, 85022), (1120, 72876), (1344, 60730), (1680, 48584), (1920, 42511), (2240, 36438), (2688, 30365), (3360, 24292), (4480, 18219), (6073, 13440), (6720, 12146)]