256063140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 593076060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 53, 54, 60, 69, 90, 92, 106, 108, 115, 135, 138, 159, 180, 207, 212, 230, 265, 270, 276, 318, 345, 389, 414, 460, 477, 530, 540, 621, 636, 690, 778, 795, 828, 954, 1035, 1060, 1167, 1219, 1242, 1380, 1431, 1556, 1590, 1908, 1945, 2070, 2334, 2385, 2438, 2484, 2862, 3105, 3180, 3501, 3657, 3890, 4140, 4668, 4770, 4876, 5724, 5835, 6095, 6210, 7002, 7155, 7314, 7780, 8947, 9540, 10503, 10971, 11670, 12190, 12420, 14004, 14310, 14628, 17505, 17894, 18285, 20617, 21006, 21942, 23340, 24380, 26841, 28620, 32913, 35010, 35788, 36570, 41234, 42012, 43884, 44735, 52515, 53682, 54855, 61851, 65826, 70020, 73140, 80523, 82468, 89470, 103085, 105030, 107364, 109710, 123702, 131652, 134205, 161046, 164565, 178940, 185553, 206170, 210060, 219420, 241569, 247404, 268410, 309255, 322092, 329130, 371106, 402615, 412340, 474191, 483138, 536820, 556659, 618510, 658260, 742212, 805230, 927765, 948382, 966276, 1113318, 1207845, 1237020, 1422573, 1610460, 1855530, 1896764, 2226636, 2370955, 2415690, 2783295, 2845146, 3711060, 4267719, 4741910, 4831380, 5566590, 5690292, 7112865, 8535438, 9483820, 11133180, 12803157, 14225730, 17070876, 21338595, 25606314, 28451460, 42677190, 51212628, 64015785, 85354380, 128031570, 256063140]

約数ペア:

[(1, 256063140), (2, 128031570), (3, 85354380), (4, 64015785), (5, 51212628), (6, 42677190), (9, 28451460), (10, 25606314), (12, 21338595), (15, 17070876), (18, 14225730), (20, 12803157), (23, 11133180), (27, 9483820), (30, 8535438), (36, 7112865), (45, 5690292), (46, 5566590), (53, 4831380), (54, 4741910), (60, 4267719), (69, 3711060), (90, 2845146), (92, 2783295), (106, 2415690), (108, 2370955), (115, 2226636), (135, 1896764), (138, 1855530), (159, 1610460), (180, 1422573), (207, 1237020), (212, 1207845), (230, 1113318), (265, 966276), (270, 948382), (276, 927765), (318, 805230), (345, 742212), (389, 658260), (414, 618510), (460, 556659), (477, 536820), (530, 483138), (540, 474191), (621, 412340), (636, 402615), (690, 371106), (778, 329130), (795, 322092), (828, 309255), (954, 268410), (1035, 247404), (1060, 241569), (1167, 219420), (1219, 210060), (1242, 206170), (1380, 185553), (1431, 178940), (1556, 164565), (1590, 161046), (1908, 134205), (1945, 131652), (2070, 123702), (2334, 109710), (2385, 107364), (2438, 105030), (2484, 103085), (2862, 89470), (3105, 82468), (3180, 80523), (3501, 73140), (3657, 70020), (3890, 65826), (4140, 61851), (4668, 54855), (4770, 53682), (4876, 52515), (5724, 44735), (5835, 43884), (6095, 42012), (6210, 41234), (7002, 36570), (7155, 35788), (7314, 35010), (7780, 32913), (8947, 28620), (9540, 26841), (10503, 24380), (10971, 23340), (11670, 21942), (12190, 21006), (12420, 20617), (14004, 18285), (14310, 17894), (14628, 17505)]