1812048840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{239689}}^1$

素因数の和:239716

約数の個数: 128

約数和(自身を含む): 6903072000

約数和(自身を除く): 5091023160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 239689, 479378, 719067, 958756, 1198445, 1438134, 1677823, 1917512, 2157201, 2396890, 2876268, 3355646, 3595335, 4314402, 4793780, 5033469, 5752536, 6471603, 6711292, 7190670, 8389115, 8628804, 9587560, 10066938, 10786005, 12943206, 13422584, 14381340, 15100407, 16778230, 17257608, 20133876, 21572010, 25167345, 25886412, 28762680, 30200814, 32358015, 33556460, 40267752, 43144020, 45301221, 50334690, 51772824, 60401628, 64716030, 67112920, 75502035, 86288040, 90602442, 100669380, 120803256, 129432060, 151004070, 181204884, 201338760, 226506105, 258864120, 302008140, 362409768, 453012210, 604016280, 906024420, 1812048840]

約数ペア:

[(1, 1812048840), (2, 906024420), (3, 604016280), (4, 453012210), (5, 362409768), (6, 302008140), (7, 258864120), (8, 226506105), (9, 201338760), (10, 181204884), (12, 151004070), (14, 129432060), (15, 120803256), (18, 100669380), (20, 90602442), (21, 86288040), (24, 75502035), (27, 67112920), (28, 64716030), (30, 60401628), (35, 51772824), (36, 50334690), (40, 45301221), (42, 43144020), (45, 40267752), (54, 33556460), (56, 32358015), (60, 30200814), (63, 28762680), (70, 25886412), (72, 25167345), (84, 21572010), (90, 20133876), (105, 17257608), (108, 16778230), (120, 15100407), (126, 14381340), (135, 13422584), (140, 12943206), (168, 10786005), (180, 10066938), (189, 9587560), (210, 8628804), (216, 8389115), (252, 7190670), (270, 6711292), (280, 6471603), (315, 5752536), (360, 5033469), (378, 4793780), (420, 4314402), (504, 3595335), (540, 3355646), (630, 2876268), (756, 2396890), (840, 2157201), (945, 1917512), (1080, 1677823), (1260, 1438134), (1512, 1198445), (1890, 958756), (2520, 719067), (3780, 479378), (7560, 239689)]