18564840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 52196760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 53, 56, 60, 63, 70, 72, 84, 90, 105, 106, 120, 126, 139, 140, 159, 168, 180, 210, 212, 252, 265, 278, 280, 315, 318, 360, 371, 417, 420, 424, 477, 504, 530, 556, 630, 636, 695, 742, 795, 834, 840, 954, 973, 1060, 1112, 1113, 1251, 1260, 1272, 1390, 1484, 1590, 1668, 1855, 1908, 1946, 2085, 2120, 2226, 2385, 2502, 2520, 2780, 2919, 2968, 3180, 3336, 3339, 3710, 3816, 3892, 4170, 4452, 4770, 4865, 5004, 5560, 5565, 5838, 6255, 6360, 6678, 7367, 7420, 7784, 8340, 8757, 8904, 9540, 9730, 10008, 11130, 11676, 12510, 13356, 14595, 14734, 14840, 16680, 16695, 17514, 19080, 19460, 22101, 22260, 23352, 25020, 26712, 29190, 29468, 33390, 35028, 36835, 38920, 43785, 44202, 44520, 50040, 51569, 58380, 58936, 66303, 66780, 70056, 73670, 87570, 88404, 103138, 110505, 116760, 132606, 133560, 147340, 154707, 175140, 176808, 206276, 221010, 257845, 265212, 294680, 309414, 331515, 350280, 412552, 442020, 464121, 515690, 530424, 618828, 663030, 773535, 884040, 928242, 1031380, 1237656, 1326060, 1547070, 1856484, 2062760, 2320605, 2652120, 3094140, 3712968, 4641210, 6188280, 9282420, 18564840]

約数ペア:

[(1, 18564840), (2, 9282420), (3, 6188280), (4, 4641210), (5, 3712968), (6, 3094140), (7, 2652120), (8, 2320605), (9, 2062760), (10, 1856484), (12, 1547070), (14, 1326060), (15, 1237656), (18, 1031380), (20, 928242), (21, 884040), (24, 773535), (28, 663030), (30, 618828), (35, 530424), (36, 515690), (40, 464121), (42, 442020), (45, 412552), (53, 350280), (56, 331515), (60, 309414), (63, 294680), (70, 265212), (72, 257845), (84, 221010), (90, 206276), (105, 176808), (106, 175140), (120, 154707), (126, 147340), (139, 133560), (140, 132606), (159, 116760), (168, 110505), (180, 103138), (210, 88404), (212, 87570), (252, 73670), (265, 70056), (278, 66780), (280, 66303), (315, 58936), (318, 58380), (360, 51569), (371, 50040), (417, 44520), (420, 44202), (424, 43785), (477, 38920), (504, 36835), (530, 35028), (556, 33390), (630, 29468), (636, 29190), (695, 26712), (742, 25020), (795, 23352), (834, 22260), (840, 22101), (954, 19460), (973, 19080), (1060, 17514), (1112, 16695), (1113, 16680), (1251, 14840), (1260, 14734), (1272, 14595), (1390, 13356), (1484, 12510), (1590, 11676), (1668, 11130), (1855, 10008), (1908, 9730), (1946, 9540), (2085, 8904), (2120, 8757), (2226, 8340), (2385, 7784), (2502, 7420), (2520, 7367), (2780, 6678), (2919, 6360), (2968, 6255), (3180, 5838), (3336, 5565), (3339, 5560), (3710, 5004), (3816, 4865), (3892, 4770), (4170, 4452)]