212240880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 240

約数和(自身を含む): 758594304

約数和(自身を除く): 546353424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 111, 120, 124, 144, 148, 155, 180, 185, 186, 222, 240, 248, 257, 279, 296, 310, 333, 360, 370, 372, 444, 465, 496, 514, 555, 558, 592, 620, 666, 720, 740, 744, 771, 888, 930, 1028, 1110, 1116, 1147, 1240, 1285, 1332, 1395, 1480, 1488, 1542, 1665, 1776, 1860, 2056, 2220, 2232, 2294, 2313, 2480, 2570, 2664, 2790, 2960, 3084, 3330, 3441, 3720, 3855, 4112, 4440, 4464, 4588, 4626, 5140, 5328, 5580, 5735, 6168, 6660, 6882, 7440, 7710, 7967, 8880, 9176, 9252, 9509, 10280, 10323, 11160, 11470, 11565, 12336, 13320, 13764, 15420, 15934, 17205, 18352, 18504, 19018, 20560, 20646, 22320, 22940, 23130, 23901, 26640, 27528, 28527, 30840, 31868, 34410, 37008, 38036, 39835, 41292, 45880, 46260, 47545, 47802, 51615, 55056, 57054, 61680, 63736, 68820, 71703, 76072, 79670, 82584, 85581, 91760, 92520, 95090, 95604, 103230, 114108, 119505, 127472, 137640, 142635, 143406, 152144, 159340, 165168, 171162, 185040, 190180, 191208, 206460, 228216, 239010, 275280, 285270, 286812, 294779, 318680, 342324, 358515, 380360, 382416, 412920, 427905, 456432, 478020, 570540, 573624, 589558, 637360, 684648, 717030, 760720, 825840, 855810, 884337, 956040, 1141080, 1147248, 1179116, 1369296, 1434060, 1473895, 1711620, 1768674, 1912080, 2282160, 2358232, 2653011, 2868120, 2947790, 3423240, 3537348, 4421685, 4716464, 5306022, 5736240, 5895580, 6846480, 7074696, 8843370, 10612044, 11791160, 13265055, 14149392, 17686740, 21224088, 23582320, 26530110, 35373480, 42448176, 53060220, 70746960, 106120440, 212240880]

約数ペア:

[(1, 212240880), (2, 106120440), (3, 70746960), (4, 53060220), (5, 42448176), (6, 35373480), (8, 26530110), (9, 23582320), (10, 21224088), (12, 17686740), (15, 14149392), (16, 13265055), (18, 11791160), (20, 10612044), (24, 8843370), (30, 7074696), (31, 6846480), (36, 5895580), (37, 5736240), (40, 5306022), (45, 4716464), (48, 4421685), (60, 3537348), (62, 3423240), (72, 2947790), (74, 2868120), (80, 2653011), (90, 2358232), (93, 2282160), (111, 1912080), (120, 1768674), (124, 1711620), (144, 1473895), (148, 1434060), (155, 1369296), (180, 1179116), (185, 1147248), (186, 1141080), (222, 956040), (240, 884337), (248, 855810), (257, 825840), (279, 760720), (296, 717030), (310, 684648), (333, 637360), (360, 589558), (370, 573624), (372, 570540), (444, 478020), (465, 456432), (496, 427905), (514, 412920), (555, 382416), (558, 380360), (592, 358515), (620, 342324), (666, 318680), (720, 294779), (740, 286812), (744, 285270), (771, 275280), (888, 239010), (930, 228216), (1028, 206460), (1110, 191208), (1116, 190180), (1147, 185040), (1240, 171162), (1285, 165168), (1332, 159340), (1395, 152144), (1480, 143406), (1488, 142635), (1542, 137640), (1665, 127472), (1776, 119505), (1860, 114108), (2056, 103230), (2220, 95604), (2232, 95090), (2294, 92520), (2313, 91760), (2480, 85581), (2570, 82584), (2664, 79670), (2790, 76072), (2960, 71703), (3084, 68820), (3330, 63736), (3441, 61680), (3720, 57054), (3855, 55056), (4112, 51615), (4440, 47802), (4464, 47545), (4588, 46260), (4626, 45880), (5140, 41292), (5328, 39835), (5580, 38036), (5735, 37008), (6168, 34410), (6660, 31868), (6882, 30840), (7440, 28527), (7710, 27528), (7967, 26640), (8880, 23901), (9176, 23130), (9252, 22940), (9509, 22320), (10280, 20646), (10323, 20560), (11160, 19018), (11470, 18504), (11565, 18352), (12336, 17205), (13320, 15934), (13764, 15420)]