31182480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 240

約数和(自身を含む): 125349120

約数和(自身を除く): 94166640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 269, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 538, 552, 560, 630, 644, 690, 720, 805, 807, 828, 840, 920, 966, 1008, 1035, 1076, 1104, 1260, 1288, 1345, 1380, 1449, 1610, 1614, 1656, 1680, 1840, 1883, 1932, 2070, 2152, 2415, 2421, 2520, 2576, 2690, 2760, 2898, 3220, 3228, 3312, 3766, 3864, 4035, 4140, 4304, 4830, 4842, 5040, 5380, 5520, 5649, 5796, 6187, 6440, 6456, 7245, 7532, 7728, 8070, 8280, 9415, 9660, 9684, 10760, 11298, 11592, 12105, 12374, 12880, 12912, 14490, 15064, 16140, 16560, 16947, 18561, 18830, 19320, 19368, 21520, 22596, 23184, 24210, 24748, 28245, 28980, 30128, 30935, 32280, 33894, 37122, 37660, 38640, 38736, 43309, 45192, 48420, 49496, 55683, 56490, 57960, 61870, 64560, 67788, 74244, 75320, 84735, 86618, 90384, 92805, 96840, 98992, 111366, 112980, 115920, 123740, 129927, 135576, 148488, 150640, 169470, 173236, 185610, 193680, 216545, 222732, 225960, 247480, 259854, 271152, 278415, 296976, 338940, 346472, 371220, 389781, 433090, 445464, 451920, 494960, 519708, 556830, 649635, 677880, 692944, 742440, 779562, 866180, 890928, 1039416, 1113660, 1299270, 1355760, 1484880, 1559124, 1732360, 1948905, 2078832, 2227320, 2598540, 3118248, 3464720, 3897810, 4454640, 5197080, 6236496, 7795620, 10394160, 15591240, 31182480]

約数ペア:

[(1, 31182480), (2, 15591240), (3, 10394160), (4, 7795620), (5, 6236496), (6, 5197080), (7, 4454640), (8, 3897810), (9, 3464720), (10, 3118248), (12, 2598540), (14, 2227320), (15, 2078832), (16, 1948905), (18, 1732360), (20, 1559124), (21, 1484880), (23, 1355760), (24, 1299270), (28, 1113660), (30, 1039416), (35, 890928), (36, 866180), (40, 779562), (42, 742440), (45, 692944), (46, 677880), (48, 649635), (56, 556830), (60, 519708), (63, 494960), (69, 451920), (70, 445464), (72, 433090), (80, 389781), (84, 371220), (90, 346472), (92, 338940), (105, 296976), (112, 278415), (115, 271152), (120, 259854), (126, 247480), (138, 225960), (140, 222732), (144, 216545), (161, 193680), (168, 185610), (180, 173236), (184, 169470), (207, 150640), (210, 148488), (230, 135576), (240, 129927), (252, 123740), (269, 115920), (276, 112980), (280, 111366), (315, 98992), (322, 96840), (336, 92805), (345, 90384), (360, 86618), (368, 84735), (414, 75320), (420, 74244), (460, 67788), (483, 64560), (504, 61870), (538, 57960), (552, 56490), (560, 55683), (630, 49496), (644, 48420), (690, 45192), (720, 43309), (805, 38736), (807, 38640), (828, 37660), (840, 37122), (920, 33894), (966, 32280), (1008, 30935), (1035, 30128), (1076, 28980), (1104, 28245), (1260, 24748), (1288, 24210), (1345, 23184), (1380, 22596), (1449, 21520), (1610, 19368), (1614, 19320), (1656, 18830), (1680, 18561), (1840, 16947), (1883, 16560), (1932, 16140), (2070, 15064), (2152, 14490), (2415, 12912), (2421, 12880), (2520, 12374), (2576, 12105), (2690, 11592), (2760, 11298), (2898, 10760), (3220, 9684), (3228, 9660), (3312, 9415), (3766, 8280), (3864, 8070), (4035, 7728), (4140, 7532), (4304, 7245), (4830, 6456), (4842, 6440), (5040, 6187), (5380, 5796), (5520, 5649)]