28774440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 98794080

約数和(自身を除く): 70019640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 83, 90, 107, 108, 120, 135, 162, 166, 180, 214, 216, 249, 270, 321, 324, 332, 360, 405, 415, 428, 498, 535, 540, 642, 648, 664, 747, 810, 830, 856, 963, 996, 1070, 1080, 1245, 1284, 1494, 1605, 1620, 1660, 1926, 1992, 2140, 2241, 2490, 2568, 2889, 2988, 3210, 3240, 3320, 3735, 3852, 4280, 4482, 4815, 4980, 5778, 5976, 6420, 6723, 7470, 7704, 8667, 8881, 8964, 9630, 9960, 11205, 11556, 12840, 13446, 14445, 14940, 17334, 17762, 17928, 19260, 22410, 23112, 26643, 26892, 28890, 29880, 33615, 34668, 35524, 38520, 43335, 44405, 44820, 53286, 53784, 57780, 67230, 69336, 71048, 79929, 86670, 88810, 89640, 106572, 115560, 133215, 134460, 159858, 173340, 177620, 213144, 239787, 266430, 268920, 319716, 346680, 355240, 399645, 479574, 532860, 639432, 719361, 799290, 959148, 1065720, 1198935, 1438722, 1598580, 1918296, 2397870, 2877444, 3197160, 3596805, 4795740, 5754888, 7193610, 9591480, 14387220, 28774440]

約数ペア:

[(1, 28774440), (2, 14387220), (3, 9591480), (4, 7193610), (5, 5754888), (6, 4795740), (8, 3596805), (9, 3197160), (10, 2877444), (12, 2397870), (15, 1918296), (18, 1598580), (20, 1438722), (24, 1198935), (27, 1065720), (30, 959148), (36, 799290), (40, 719361), (45, 639432), (54, 532860), (60, 479574), (72, 399645), (81, 355240), (83, 346680), (90, 319716), (107, 268920), (108, 266430), (120, 239787), (135, 213144), (162, 177620), (166, 173340), (180, 159858), (214, 134460), (216, 133215), (249, 115560), (270, 106572), (321, 89640), (324, 88810), (332, 86670), (360, 79929), (405, 71048), (415, 69336), (428, 67230), (498, 57780), (535, 53784), (540, 53286), (642, 44820), (648, 44405), (664, 43335), (747, 38520), (810, 35524), (830, 34668), (856, 33615), (963, 29880), (996, 28890), (1070, 26892), (1080, 26643), (1245, 23112), (1284, 22410), (1494, 19260), (1605, 17928), (1620, 17762), (1660, 17334), (1926, 14940), (1992, 14445), (2140, 13446), (2241, 12840), (2490, 11556), (2568, 11205), (2889, 9960), (2988, 9630), (3210, 8964), (3240, 8881), (3320, 8667), (3735, 7704), (3852, 7470), (4280, 6723), (4482, 6420), (4815, 5976), (4980, 5778)]