220988880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 240

約数和(自身を含む): 856552320

約数和(自身を除く): 635563440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 163, 168, 180, 210, 240, 252, 269, 280, 315, 326, 336, 360, 420, 489, 504, 538, 560, 630, 652, 720, 807, 815, 840, 978, 1008, 1076, 1141, 1260, 1304, 1345, 1467, 1614, 1630, 1680, 1883, 1956, 2152, 2282, 2421, 2445, 2520, 2608, 2690, 2934, 3228, 3260, 3423, 3766, 3912, 4035, 4304, 4564, 4842, 4890, 5040, 5380, 5649, 5705, 5868, 6456, 6520, 6846, 7335, 7532, 7824, 8070, 9128, 9415, 9684, 9780, 10269, 10760, 11298, 11410, 11736, 12105, 12912, 13040, 13692, 14670, 15064, 16140, 16947, 17115, 18256, 18830, 19368, 19560, 20538, 21520, 22596, 22820, 23472, 24210, 27384, 28245, 29340, 30128, 32280, 33894, 34230, 37660, 38736, 39120, 41076, 43847, 45192, 45640, 48420, 51345, 54768, 56490, 58680, 64560, 67788, 68460, 75320, 82152, 84735, 87694, 90384, 91280, 96840, 102690, 112980, 117360, 131541, 135576, 136920, 150640, 164304, 169470, 175388, 193680, 205380, 219235, 225960, 263082, 271152, 273840, 306929, 338940, 350776, 394623, 410760, 438470, 451920, 526164, 613858, 657705, 677880, 701552, 789246, 821520, 876940, 920787, 1052328, 1227716, 1315410, 1355760, 1534645, 1578492, 1753880, 1841574, 1973115, 2104656, 2455432, 2630820, 2762361, 3069290, 3156984, 3507760, 3683148, 3946230, 4603935, 4910864, 5261640, 5524722, 6138580, 6313968, 7366296, 7892460, 9207870, 10523280, 11049444, 12277160, 13811805, 14732592, 15784920, 18415740, 22098888, 24554320, 27623610, 31569840, 36831480, 44197776, 55247220, 73662960, 110494440, 220988880]

約数ペア:

[(1, 220988880), (2, 110494440), (3, 73662960), (4, 55247220), (5, 44197776), (6, 36831480), (7, 31569840), (8, 27623610), (9, 24554320), (10, 22098888), (12, 18415740), (14, 15784920), (15, 14732592), (16, 13811805), (18, 12277160), (20, 11049444), (21, 10523280), (24, 9207870), (28, 7892460), (30, 7366296), (35, 6313968), (36, 6138580), (40, 5524722), (42, 5261640), (45, 4910864), (48, 4603935), (56, 3946230), (60, 3683148), (63, 3507760), (70, 3156984), (72, 3069290), (80, 2762361), (84, 2630820), (90, 2455432), (105, 2104656), (112, 1973115), (120, 1841574), (126, 1753880), (140, 1578492), (144, 1534645), (163, 1355760), (168, 1315410), (180, 1227716), (210, 1052328), (240, 920787), (252, 876940), (269, 821520), (280, 789246), (315, 701552), (326, 677880), (336, 657705), (360, 613858), (420, 526164), (489, 451920), (504, 438470), (538, 410760), (560, 394623), (630, 350776), (652, 338940), (720, 306929), (807, 273840), (815, 271152), (840, 263082), (978, 225960), (1008, 219235), (1076, 205380), (1141, 193680), (1260, 175388), (1304, 169470), (1345, 164304), (1467, 150640), (1614, 136920), (1630, 135576), (1680, 131541), (1883, 117360), (1956, 112980), (2152, 102690), (2282, 96840), (2421, 91280), (2445, 90384), (2520, 87694), (2608, 84735), (2690, 82152), (2934, 75320), (3228, 68460), (3260, 67788), (3423, 64560), (3766, 58680), (3912, 56490), (4035, 54768), (4304, 51345), (4564, 48420), (4842, 45640), (4890, 45192), (5040, 43847), (5380, 41076), (5649, 39120), (5705, 38736), (5868, 37660), (6456, 34230), (6520, 33894), (6846, 32280), (7335, 30128), (7532, 29340), (7824, 28245), (8070, 27384), (9128, 24210), (9415, 23472), (9684, 22820), (9780, 22596), (10269, 21520), (10760, 20538), (11298, 19560), (11410, 19368), (11736, 18830), (12105, 18256), (12912, 17115), (13040, 16947), (13692, 16140), (14670, 15064)]