1289649360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{8681}}^1$

素因数の和:9316

約数の個数: 80

約数和(自身を含む): 4004832960

約数和(自身を除く): 2715183600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 619, 1238, 1857, 2476, 3095, 3714, 4952, 6190, 7428, 8681, 9285, 9904, 12380, 14856, 17362, 18570, 24760, 26043, 29712, 34724, 37140, 43405, 49520, 52086, 69448, 74280, 86810, 104172, 130215, 138896, 148560, 173620, 208344, 260430, 347240, 416688, 520860, 694480, 1041720, 2083440, 5373539, 10747078, 16120617, 21494156, 26867695, 32241234, 42988312, 53735390, 64482468, 80603085, 85976624, 107470780, 128964936, 161206170, 214941560, 257929872, 322412340, 429883120, 644824680, 1289649360]

約数ペア:

[(1, 1289649360), (2, 644824680), (3, 429883120), (4, 322412340), (5, 257929872), (6, 214941560), (8, 161206170), (10, 128964936), (12, 107470780), (15, 85976624), (16, 80603085), (20, 64482468), (24, 53735390), (30, 42988312), (40, 32241234), (48, 26867695), (60, 21494156), (80, 16120617), (120, 10747078), (240, 5373539), (619, 2083440), (1238, 1041720), (1857, 694480), (2476, 520860), (3095, 416688), (3714, 347240), (4952, 260430), (6190, 208344), (7428, 173620), (8681, 148560), (9285, 138896), (9904, 130215), (12380, 104172), (14856, 86810), (17362, 74280), (18570, 69448), (24760, 52086), (26043, 49520), (29712, 43405), (34724, 37140)]