28372680

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 224

約数和(自身を含む): 110174400

約数和(自身を除く): 81801720

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, 81, 84, 90, 105, 108, 120, 126, 135, 139, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 278, 280, 315, 324, 360, 378, 405, 417, 420, 486, 504, 540, 556, 567, 630, 648, 695, 729, 756, 810, 834, 840, 945, 972, 973, 1080, 1112, 1134, 1215, 1251, 1260, 1390, 1458, 1512, 1620, 1668, 1701, 1890, 1944, 1946, 2085, 2268, 2430, 2502, 2520, 2780, 2835, 2916, 2919, 3240, 3336, 3402, 3645, 3753, 3780, 3892, 4170, 4536, 4860, 4865, 5004, 5103, 5560, 5670, 5832, 5838, 6255, 6804, 7290, 7506, 7560, 7784, 8340, 8505, 8757, 9720, 9730, 10008, 10206, 11259, 11340, 11676, 12510, 13608, 14580, 14595, 15012, 16680, 17010, 17514, 18765, 19460, 20412, 22518, 22680, 23352, 25020, 25515, 26271, 29160, 29190, 30024, 33777, 34020, 35028, 37530, 38920, 40824, 43785, 45036, 50040, 51030, 52542, 56295, 58380, 67554, 68040, 70056, 75060, 78813, 87570, 90072, 101331, 102060, 105084, 112590, 116760, 131355, 135108, 150120, 157626, 168885, 175140, 202662, 204120, 210168, 225180, 236439, 262710, 270216, 315252, 337770, 350280, 394065, 405324, 450360, 472878, 506655, 525420, 630504, 675540, 709317, 788130, 810648, 945756, 1013310, 1050840, 1182195, 1351080, 1418634, 1576260, 1891512, 2026620, 2364390, 2837268, 3152520, 3546585, 4053240, 4728780, 5674536, 7093170, 9457560, 14186340, 28372680]

約数ペア:

[(1, 28372680), (2, 14186340), (3, 9457560), (4, 7093170), (5, 5674536), (6, 4728780), (7, 4053240), (8, 3546585), (9, 3152520), (10, 2837268), (12, 2364390), (14, 2026620), (15, 1891512), (18, 1576260), (20, 1418634), (21, 1351080), (24, 1182195), (27, 1050840), (28, 1013310), (30, 945756), (35, 810648), (36, 788130), (40, 709317), (42, 675540), (45, 630504), (54, 525420), (56, 506655), (60, 472878), (63, 450360), (70, 405324), (72, 394065), (81, 350280), (84, 337770), (90, 315252), (105, 270216), (108, 262710), (120, 236439), (126, 225180), (135, 210168), (139, 204120), (140, 202662), (162, 175140), (168, 168885), (180, 157626), (189, 150120), (210, 135108), (216, 131355), (243, 116760), (252, 112590), (270, 105084), (278, 102060), (280, 101331), (315, 90072), (324, 87570), (360, 78813), (378, 75060), (405, 70056), (417, 68040), (420, 67554), (486, 58380), (504, 56295), (540, 52542), (556, 51030), (567, 50040), (630, 45036), (648, 43785), (695, 40824), (729, 38920), (756, 37530), (810, 35028), (834, 34020), (840, 33777), (945, 30024), (972, 29190), (973, 29160), (1080, 26271), (1112, 25515), (1134, 25020), (1215, 23352), (1251, 22680), (1260, 22518), (1390, 20412), (1458, 19460), (1512, 18765), (1620, 17514), (1668, 17010), (1701, 16680), (1890, 15012), (1944, 14595), (1946, 14580), (2085, 13608), (2268, 12510), (2430, 11676), (2502, 11340), (2520, 11259), (2780, 10206), (2835, 10008), (2916, 9730), (2919, 9720), (3240, 8757), (3336, 8505), (3402, 8340), (3645, 7784), (3753, 7560), (3780, 7506), (3892, 7290), (4170, 6804), (4536, 6255), (4860, 5838), (4865, 5832), (5004, 5670), (5103, 5560)]