1428840

素因数分解:

$2^3\times 3^6\times 5^1\times 7^2$

素因数の和:43

約数の個数: 168

約数和(自身を含む): 5607090

約数和(自身を除く): 4178250

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, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 486, 490, 504, 540, 567, 588, 630, 648, 729, 735, 756, 810, 840, 882, 945, 972, 980, 1080, 1134, 1176, 1215, 1260, 1323, 1458, 1470, 1512, 1620, 1701, 1764, 1890, 1944, 1960, 2205, 2268, 2430, 2520, 2646, 2835, 2916, 2940, 3240, 3402, 3528, 3645, 3780, 3969, 4410, 4536, 4860, 5103, 5292, 5670, 5832, 5880, 6615, 6804, 7290, 7560, 7938, 8505, 8820, 9720, 10206, 10584, 11340, 11907, 13230, 13608, 14580, 15876, 17010, 17640, 19845, 20412, 22680, 23814, 25515, 26460, 29160, 31752, 34020, 35721, 39690, 40824, 47628, 51030, 52920, 59535, 68040, 71442, 79380, 95256, 102060, 119070, 142884, 158760, 178605, 204120, 238140, 285768, 357210, 476280, 714420, 1428840]

約数ペア:

[(1, 1428840), (2, 714420), (3, 476280), (4, 357210), (5, 285768), (6, 238140), (7, 204120), (8, 178605), (9, 158760), (10, 142884), (12, 119070), (14, 102060), (15, 95256), (18, 79380), (20, 71442), (21, 68040), (24, 59535), (27, 52920), (28, 51030), (30, 47628), (35, 40824), (36, 39690), (40, 35721), (42, 34020), (45, 31752), (49, 29160), (54, 26460), (56, 25515), (60, 23814), (63, 22680), (70, 20412), (72, 19845), (81, 17640), (84, 17010), (90, 15876), (98, 14580), (105, 13608), (108, 13230), (120, 11907), (126, 11340), (135, 10584), (140, 10206), (147, 9720), (162, 8820), (168, 8505), (180, 7938), (189, 7560), (196, 7290), (210, 6804), (216, 6615), (243, 5880), (245, 5832), (252, 5670), (270, 5292), (280, 5103), (294, 4860), (315, 4536), (324, 4410), (360, 3969), (378, 3780), (392, 3645), (405, 3528), (420, 3402), (441, 3240), (486, 2940), (490, 2916), (504, 2835), (540, 2646), (567, 2520), (588, 2430), (630, 2268), (648, 2205), (729, 1960), (735, 1944), (756, 1890), (810, 1764), (840, 1701), (882, 1620), (945, 1512), (972, 1470), (980, 1458), (1080, 1323), (1134, 1260), (1176, 1215)]