4221420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:84

約数の個数: 144

約数和(自身を含む): 14864640

約数和(自身を除く): 10643220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 133, 138, 140, 161, 190, 210, 228, 230, 266, 276, 285, 322, 345, 380, 399, 420, 437, 460, 483, 529, 532, 570, 644, 665, 690, 798, 805, 874, 966, 1058, 1140, 1311, 1330, 1380, 1587, 1596, 1610, 1748, 1932, 1995, 2116, 2185, 2415, 2622, 2645, 2660, 3059, 3174, 3220, 3703, 3990, 4370, 4830, 5244, 5290, 6118, 6348, 6555, 7406, 7935, 7980, 8740, 9177, 9660, 10051, 10580, 11109, 12236, 13110, 14812, 15295, 15870, 18354, 18515, 20102, 22218, 26220, 30153, 30590, 31740, 36708, 37030, 40204, 44436, 45885, 50255, 55545, 60306, 61180, 70357, 74060, 91770, 100510, 111090, 120612, 140714, 150765, 183540, 201020, 211071, 222180, 281428, 301530, 351785, 422142, 603060, 703570, 844284, 1055355, 1407140, 2110710, 4221420]

約数ペア:

[(1, 4221420), (2, 2110710), (3, 1407140), (4, 1055355), (5, 844284), (6, 703570), (7, 603060), (10, 422142), (12, 351785), (14, 301530), (15, 281428), (19, 222180), (20, 211071), (21, 201020), (23, 183540), (28, 150765), (30, 140714), (35, 120612), (38, 111090), (42, 100510), (46, 91770), (57, 74060), (60, 70357), (69, 61180), (70, 60306), (76, 55545), (84, 50255), (92, 45885), (95, 44436), (105, 40204), (114, 37030), (115, 36708), (133, 31740), (138, 30590), (140, 30153), (161, 26220), (190, 22218), (210, 20102), (228, 18515), (230, 18354), (266, 15870), (276, 15295), (285, 14812), (322, 13110), (345, 12236), (380, 11109), (399, 10580), (420, 10051), (437, 9660), (460, 9177), (483, 8740), (529, 7980), (532, 7935), (570, 7406), (644, 6555), (665, 6348), (690, 6118), (798, 5290), (805, 5244), (874, 4830), (966, 4370), (1058, 3990), (1140, 3703), (1311, 3220), (1330, 3174), (1380, 3059), (1587, 2660), (1596, 2645), (1610, 2622), (1748, 2415), (1932, 2185), (1995, 2116)]