290025720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 981901440

約数和(自身を除く): 691875720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 61, 72, 90, 94, 120, 122, 141, 180, 183, 188, 235, 244, 281, 282, 305, 360, 366, 376, 423, 470, 488, 549, 562, 564, 610, 705, 732, 843, 846, 915, 940, 1098, 1124, 1128, 1220, 1405, 1410, 1464, 1686, 1692, 1830, 1880, 2115, 2196, 2248, 2440, 2529, 2745, 2810, 2820, 2867, 3372, 3384, 3660, 4215, 4230, 4392, 5058, 5490, 5620, 5640, 5734, 6744, 7320, 8430, 8460, 8601, 10116, 10980, 11240, 11468, 12645, 13207, 14335, 16860, 16920, 17141, 17202, 20232, 21960, 22936, 25290, 25803, 26414, 28670, 33720, 34282, 34404, 39621, 43005, 50580, 51423, 51606, 52828, 57340, 66035, 68564, 68808, 79242, 85705, 86010, 101160, 102846, 103212, 105656, 114680, 118863, 129015, 132070, 137128, 154269, 158484, 171410, 172020, 198105, 205692, 206424, 237726, 257115, 258030, 264140, 308538, 316968, 342820, 344040, 396210, 411384, 475452, 514230, 516060, 528280, 594315, 617076, 685640, 771345, 792420, 805627, 950904, 1028460, 1032120, 1188630, 1234152, 1542690, 1584840, 1611254, 2056920, 2377260, 2416881, 3085380, 3222508, 4028135, 4754520, 4833762, 6170760, 6445016, 7250643, 8056270, 9667524, 12084405, 14501286, 16112540, 19335048, 24168810, 29002572, 32225080, 36253215, 48337620, 58005144, 72506430, 96675240, 145012860, 290025720]

約数ペア:

[(1, 290025720), (2, 145012860), (3, 96675240), (4, 72506430), (5, 58005144), (6, 48337620), (8, 36253215), (9, 32225080), (10, 29002572), (12, 24168810), (15, 19335048), (18, 16112540), (20, 14501286), (24, 12084405), (30, 9667524), (36, 8056270), (40, 7250643), (45, 6445016), (47, 6170760), (60, 4833762), (61, 4754520), (72, 4028135), (90, 3222508), (94, 3085380), (120, 2416881), (122, 2377260), (141, 2056920), (180, 1611254), (183, 1584840), (188, 1542690), (235, 1234152), (244, 1188630), (281, 1032120), (282, 1028460), (305, 950904), (360, 805627), (366, 792420), (376, 771345), (423, 685640), (470, 617076), (488, 594315), (549, 528280), (562, 516060), (564, 514230), (610, 475452), (705, 411384), (732, 396210), (843, 344040), (846, 342820), (915, 316968), (940, 308538), (1098, 264140), (1124, 258030), (1128, 257115), (1220, 237726), (1405, 206424), (1410, 205692), (1464, 198105), (1686, 172020), (1692, 171410), (1830, 158484), (1880, 154269), (2115, 137128), (2196, 132070), (2248, 129015), (2440, 118863), (2529, 114680), (2745, 105656), (2810, 103212), (2820, 102846), (2867, 101160), (3372, 86010), (3384, 85705), (3660, 79242), (4215, 68808), (4230, 68564), (4392, 66035), (5058, 57340), (5490, 52828), (5620, 51606), (5640, 51423), (5734, 50580), (6744, 43005), (7320, 39621), (8430, 34404), (8460, 34282), (8601, 33720), (10116, 28670), (10980, 26414), (11240, 25803), (11468, 25290), (12645, 22936), (13207, 21960), (14335, 20232), (16860, 17202), (16920, 17141)]