158728920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{811}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 547223040

約数和(自身を除く): 388494120

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, 70, 84, 105, 120, 140, 168, 210, 233, 280, 420, 466, 699, 811, 840, 932, 1165, 1398, 1622, 1631, 1864, 2330, 2433, 2796, 3244, 3262, 3495, 4055, 4660, 4866, 4893, 5592, 5677, 6488, 6524, 6990, 8110, 8155, 9320, 9732, 9786, 11354, 12165, 13048, 13980, 16220, 16310, 17031, 19464, 19572, 22708, 24330, 24465, 27960, 28385, 32440, 32620, 34062, 39144, 45416, 48660, 48930, 56770, 65240, 68124, 85155, 97320, 97860, 113540, 136248, 170310, 188963, 195720, 227080, 340620, 377926, 566889, 681240, 755852, 944815, 1133778, 1322741, 1511704, 1889630, 2267556, 2645482, 2834445, 3779260, 3968223, 4535112, 5290964, 5668890, 6613705, 7558520, 7936446, 10581928, 11337780, 13227410, 15872892, 19841115, 22675560, 26454820, 31745784, 39682230, 52909640, 79364460, 158728920]

約数ペア:

[(1, 158728920), (2, 79364460), (3, 52909640), (4, 39682230), (5, 31745784), (6, 26454820), (7, 22675560), (8, 19841115), (10, 15872892), (12, 13227410), (14, 11337780), (15, 10581928), (20, 7936446), (21, 7558520), (24, 6613705), (28, 5668890), (30, 5290964), (35, 4535112), (40, 3968223), (42, 3779260), (56, 2834445), (60, 2645482), (70, 2267556), (84, 1889630), (105, 1511704), (120, 1322741), (140, 1133778), (168, 944815), (210, 755852), (233, 681240), (280, 566889), (420, 377926), (466, 340620), (699, 227080), (811, 195720), (840, 188963), (932, 170310), (1165, 136248), (1398, 113540), (1622, 97860), (1631, 97320), (1864, 85155), (2330, 68124), (2433, 65240), (2796, 56770), (3244, 48930), (3262, 48660), (3495, 45416), (4055, 39144), (4660, 34062), (4866, 32620), (4893, 32440), (5592, 28385), (5677, 27960), (6488, 24465), (6524, 24330), (6990, 22708), (8110, 19572), (8155, 19464), (9320, 17031), (9732, 16310), (9786, 16220), (11354, 13980), (12165, 13048)]