42990360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 149990400

約数和(自身を除く): 107000040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 839, 840, 854, 915, 1220, 1281, 1464, 1678, 1708, 1830, 2135, 2440, 2517, 2562, 3356, 3416, 3660, 4195, 4270, 5034, 5124, 5873, 6405, 6712, 7320, 8390, 8540, 10068, 10248, 11746, 12585, 12810, 16780, 17080, 17619, 20136, 23492, 25170, 25620, 29365, 33560, 35238, 46984, 50340, 51179, 51240, 58730, 70476, 88095, 100680, 102358, 117460, 140952, 153537, 176190, 204716, 234920, 255895, 307074, 352380, 358253, 409432, 511790, 614148, 704760, 716506, 767685, 1023580, 1074759, 1228296, 1433012, 1535370, 1791265, 2047160, 2149518, 2866024, 3070740, 3582530, 4299036, 5373795, 6141480, 7165060, 8598072, 10747590, 14330120, 21495180, 42990360]

約数ペア:

[(1, 42990360), (2, 21495180), (3, 14330120), (4, 10747590), (5, 8598072), (6, 7165060), (7, 6141480), (8, 5373795), (10, 4299036), (12, 3582530), (14, 3070740), (15, 2866024), (20, 2149518), (21, 2047160), (24, 1791265), (28, 1535370), (30, 1433012), (35, 1228296), (40, 1074759), (42, 1023580), (56, 767685), (60, 716506), (61, 704760), (70, 614148), (84, 511790), (105, 409432), (120, 358253), (122, 352380), (140, 307074), (168, 255895), (183, 234920), (210, 204716), (244, 176190), (280, 153537), (305, 140952), (366, 117460), (420, 102358), (427, 100680), (488, 88095), (610, 70476), (732, 58730), (839, 51240), (840, 51179), (854, 50340), (915, 46984), (1220, 35238), (1281, 33560), (1464, 29365), (1678, 25620), (1708, 25170), (1830, 23492), (2135, 20136), (2440, 17619), (2517, 17080), (2562, 16780), (3356, 12810), (3416, 12585), (3660, 11746), (4195, 10248), (4270, 10068), (5034, 8540), (5124, 8390), (5873, 7320), (6405, 6712)]