81785760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 192

約数和(自身を含む): 298577664

約数和(自身を除く): 216791904

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, 70, 80, 84, 96, 101, 105, 112, 120, 140, 160, 168, 202, 210, 224, 240, 241, 280, 303, 336, 404, 420, 480, 482, 505, 560, 606, 672, 707, 723, 808, 840, 964, 1010, 1120, 1205, 1212, 1414, 1446, 1515, 1616, 1680, 1687, 1928, 2020, 2121, 2410, 2424, 2828, 2892, 3030, 3232, 3360, 3374, 3535, 3615, 3856, 4040, 4242, 4820, 4848, 5061, 5656, 5784, 6060, 6748, 7070, 7230, 7712, 8080, 8435, 8484, 9640, 9696, 10122, 10605, 11312, 11568, 12120, 13496, 14140, 14460, 16160, 16870, 16968, 19280, 20244, 21210, 22624, 23136, 24240, 24341, 25305, 26992, 28280, 28920, 33740, 33936, 38560, 40488, 42420, 48480, 48682, 50610, 53984, 56560, 57840, 67480, 67872, 73023, 80976, 84840, 97364, 101220, 113120, 115680, 121705, 134960, 146046, 161952, 169680, 170387, 194728, 202440, 243410, 269920, 292092, 339360, 340774, 365115, 389456, 404880, 486820, 511161, 584184, 681548, 730230, 778912, 809760, 851935, 973640, 1022322, 1168368, 1363096, 1460460, 1703870, 1947280, 2044644, 2336736, 2555805, 2726192, 2920920, 3407740, 3894560, 4089288, 5111610, 5452384, 5841840, 6815480, 8178576, 10223220, 11683680, 13630960, 16357152, 20446440, 27261920, 40892880, 81785760]

約数ペア:

[(1, 81785760), (2, 40892880), (3, 27261920), (4, 20446440), (5, 16357152), (6, 13630960), (7, 11683680), (8, 10223220), (10, 8178576), (12, 6815480), (14, 5841840), (15, 5452384), (16, 5111610), (20, 4089288), (21, 3894560), (24, 3407740), (28, 2920920), (30, 2726192), (32, 2555805), (35, 2336736), (40, 2044644), (42, 1947280), (48, 1703870), (56, 1460460), (60, 1363096), (70, 1168368), (80, 1022322), (84, 973640), (96, 851935), (101, 809760), (105, 778912), (112, 730230), (120, 681548), (140, 584184), (160, 511161), (168, 486820), (202, 404880), (210, 389456), (224, 365115), (240, 340774), (241, 339360), (280, 292092), (303, 269920), (336, 243410), (404, 202440), (420, 194728), (480, 170387), (482, 169680), (505, 161952), (560, 146046), (606, 134960), (672, 121705), (707, 115680), (723, 113120), (808, 101220), (840, 97364), (964, 84840), (1010, 80976), (1120, 73023), (1205, 67872), (1212, 67480), (1414, 57840), (1446, 56560), (1515, 53984), (1616, 50610), (1680, 48682), (1687, 48480), (1928, 42420), (2020, 40488), (2121, 38560), (2410, 33936), (2424, 33740), (2828, 28920), (2892, 28280), (3030, 26992), (3232, 25305), (3360, 24341), (3374, 24240), (3535, 23136), (3615, 22624), (3856, 21210), (4040, 20244), (4242, 19280), (4820, 16968), (4848, 16870), (5061, 16160), (5656, 14460), (5784, 14140), (6060, 13496), (6748, 12120), (7070, 11568), (7230, 11312), (7712, 10605), (8080, 10122), (8435, 9696), (8484, 9640)]