77685720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4021}}^1$

素因数の和:4065

約数の個数: 128

約数和(自身を含む): 278000640

約数和(自身を除く): 200314920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4021, 4830, 6440, 8042, 9660, 12063, 16084, 19320, 20105, 24126, 28147, 32168, 40210, 48252, 56294, 60315, 80420, 84441, 92483, 96504, 112588, 120630, 140735, 160840, 168882, 184966, 225176, 241260, 277449, 281470, 337764, 369932, 422205, 462415, 482520, 554898, 562940, 647381, 675528, 739864, 844410, 924830, 1109796, 1125880, 1294762, 1387245, 1688820, 1849660, 1942143, 2219592, 2589524, 2774490, 3236905, 3377640, 3699320, 3884286, 5179048, 5548980, 6473810, 7768572, 9710715, 11097960, 12947620, 15537144, 19421430, 25895240, 38842860, 77685720]

約数ペア:

[(1, 77685720), (2, 38842860), (3, 25895240), (4, 19421430), (5, 15537144), (6, 12947620), (7, 11097960), (8, 9710715), (10, 7768572), (12, 6473810), (14, 5548980), (15, 5179048), (20, 3884286), (21, 3699320), (23, 3377640), (24, 3236905), (28, 2774490), (30, 2589524), (35, 2219592), (40, 1942143), (42, 1849660), (46, 1688820), (56, 1387245), (60, 1294762), (69, 1125880), (70, 1109796), (84, 924830), (92, 844410), (105, 739864), (115, 675528), (120, 647381), (138, 562940), (140, 554898), (161, 482520), (168, 462415), (184, 422205), (210, 369932), (230, 337764), (276, 281470), (280, 277449), (322, 241260), (345, 225176), (420, 184966), (460, 168882), (483, 160840), (552, 140735), (644, 120630), (690, 112588), (805, 96504), (840, 92483), (920, 84441), (966, 80420), (1288, 60315), (1380, 56294), (1610, 48252), (1932, 40210), (2415, 32168), (2760, 28147), (3220, 24126), (3864, 20105), (4021, 19320), (4830, 16084), (6440, 12063), (8042, 9660)]