321218280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 192

約数和(自身を含む): 1091750400

約数和(自身を除く): 770532120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 107, 120, 124, 155, 180, 186, 214, 248, 269, 279, 310, 321, 360, 372, 428, 465, 535, 538, 558, 620, 642, 744, 807, 856, 930, 963, 1070, 1076, 1116, 1240, 1284, 1345, 1395, 1605, 1614, 1860, 1926, 2140, 2152, 2232, 2421, 2568, 2690, 2790, 3210, 3228, 3317, 3720, 3852, 4035, 4280, 4815, 4842, 5380, 5580, 6420, 6456, 6634, 7704, 8070, 8339, 9630, 9684, 9951, 10760, 11160, 12105, 12840, 13268, 16140, 16585, 16678, 19260, 19368, 19902, 24210, 25017, 26536, 28783, 29853, 32280, 33170, 33356, 38520, 39804, 41695, 48420, 49755, 50034, 57566, 59706, 66340, 66712, 75051, 79608, 83390, 86349, 96840, 99510, 100068, 115132, 119412, 125085, 132680, 143915, 149265, 150102, 166780, 172698, 199020, 200136, 230264, 238824, 250170, 259047, 287830, 298530, 300204, 333560, 345396, 375255, 398040, 431745, 500340, 518094, 575660, 597060, 600408, 690792, 750510, 863490, 892273, 1000680, 1036188, 1151320, 1194120, 1295235, 1501020, 1726980, 1784546, 2072376, 2590470, 2676819, 3002040, 3453960, 3569092, 4461365, 5180940, 5353638, 7138184, 8030457, 8922730, 10361880, 10707276, 13384095, 16060914, 17845460, 21414552, 26768190, 32121828, 35690920, 40152285, 53536380, 64243656, 80304570, 107072760, 160609140, 321218280]

約数ペア:

[(1, 321218280), (2, 160609140), (3, 107072760), (4, 80304570), (5, 64243656), (6, 53536380), (8, 40152285), (9, 35690920), (10, 32121828), (12, 26768190), (15, 21414552), (18, 17845460), (20, 16060914), (24, 13384095), (30, 10707276), (31, 10361880), (36, 8922730), (40, 8030457), (45, 7138184), (60, 5353638), (62, 5180940), (72, 4461365), (90, 3569092), (93, 3453960), (107, 3002040), (120, 2676819), (124, 2590470), (155, 2072376), (180, 1784546), (186, 1726980), (214, 1501020), (248, 1295235), (269, 1194120), (279, 1151320), (310, 1036188), (321, 1000680), (360, 892273), (372, 863490), (428, 750510), (465, 690792), (535, 600408), (538, 597060), (558, 575660), (620, 518094), (642, 500340), (744, 431745), (807, 398040), (856, 375255), (930, 345396), (963, 333560), (1070, 300204), (1076, 298530), (1116, 287830), (1240, 259047), (1284, 250170), (1345, 238824), (1395, 230264), (1605, 200136), (1614, 199020), (1860, 172698), (1926, 166780), (2140, 150102), (2152, 149265), (2232, 143915), (2421, 132680), (2568, 125085), (2690, 119412), (2790, 115132), (3210, 100068), (3228, 99510), (3317, 96840), (3720, 86349), (3852, 83390), (4035, 79608), (4280, 75051), (4815, 66712), (4842, 66340), (5380, 59706), (5580, 57566), (6420, 50034), (6456, 49755), (6634, 48420), (7704, 41695), (8070, 39804), (8339, 38520), (9630, 33356), (9684, 33170), (9951, 32280), (10760, 29853), (11160, 28783), (12105, 26536), (12840, 25017), (13268, 24210), (16140, 19902), (16585, 19368), (16678, 19260)]