4728780

素因数分解:

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

素因数の和:170

約数の個数: 144

約数和(自身を含む): 17122560

約数和(自身を除く): 12393780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 139, 140, 162, 180, 189, 210, 243, 252, 270, 278, 315, 324, 378, 405, 417, 420, 486, 540, 556, 567, 630, 695, 756, 810, 834, 945, 972, 973, 1134, 1215, 1251, 1260, 1390, 1620, 1668, 1701, 1890, 1946, 2085, 2268, 2430, 2502, 2780, 2835, 2919, 3402, 3753, 3780, 3892, 4170, 4860, 4865, 5004, 5670, 5838, 6255, 6804, 7506, 8340, 8505, 8757, 9730, 11259, 11340, 11676, 12510, 14595, 15012, 17010, 17514, 18765, 19460, 22518, 25020, 26271, 29190, 33777, 34020, 35028, 37530, 43785, 45036, 52542, 56295, 58380, 67554, 75060, 78813, 87570, 105084, 112590, 131355, 135108, 157626, 168885, 175140, 225180, 236439, 262710, 315252, 337770, 394065, 472878, 525420, 675540, 788130, 945756, 1182195, 1576260, 2364390, 4728780]

約数ペア:

[(1, 4728780), (2, 2364390), (3, 1576260), (4, 1182195), (5, 945756), (6, 788130), (7, 675540), (9, 525420), (10, 472878), (12, 394065), (14, 337770), (15, 315252), (18, 262710), (20, 236439), (21, 225180), (27, 175140), (28, 168885), (30, 157626), (35, 135108), (36, 131355), (42, 112590), (45, 105084), (54, 87570), (60, 78813), (63, 75060), (70, 67554), (81, 58380), (84, 56295), (90, 52542), (105, 45036), (108, 43785), (126, 37530), (135, 35028), (139, 34020), (140, 33777), (162, 29190), (180, 26271), (189, 25020), (210, 22518), (243, 19460), (252, 18765), (270, 17514), (278, 17010), (315, 15012), (324, 14595), (378, 12510), (405, 11676), (417, 11340), (420, 11259), (486, 9730), (540, 8757), (556, 8505), (567, 8340), (630, 7506), (695, 6804), (756, 6255), (810, 5838), (834, 5670), (945, 5004), (972, 4865), (973, 4860), (1134, 4170), (1215, 3892), (1251, 3780), (1260, 3753), (1390, 3402), (1620, 2919), (1668, 2835), (1701, 2780), (1890, 2502), (1946, 2430), (2085, 2268)]