345460920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17881}}^1$

素因数の和:17925

約数の個数: 128

約数和(自身を含む): 1236003840

約数和(自身を除く): 890542920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 17881, 19320, 35762, 53643, 71524, 89405, 107286, 125167, 143048, 178810, 214572, 250334, 268215, 357620, 375501, 411263, 429144, 500668, 536430, 625835, 715240, 751002, 822526, 1001336, 1072860, 1233789, 1251670, 1502004, 1645052, 1877505, 2056315, 2145720, 2467578, 2503340, 2878841, 3004008, 3290104, 3755010, 4112630, 4935156, 5006680, 5757682, 6168945, 7510020, 8225260, 8636523, 9870312, 11515364, 12337890, 14394205, 15020040, 16450520, 17273046, 23030728, 24675780, 28788410, 34546092, 43182615, 49351560, 57576820, 69092184, 86365230, 115153640, 172730460, 345460920]

約数ペア:

[(1, 345460920), (2, 172730460), (3, 115153640), (4, 86365230), (5, 69092184), (6, 57576820), (7, 49351560), (8, 43182615), (10, 34546092), (12, 28788410), (14, 24675780), (15, 23030728), (20, 17273046), (21, 16450520), (23, 15020040), (24, 14394205), (28, 12337890), (30, 11515364), (35, 9870312), (40, 8636523), (42, 8225260), (46, 7510020), (56, 6168945), (60, 5757682), (69, 5006680), (70, 4935156), (84, 4112630), (92, 3755010), (105, 3290104), (115, 3004008), (120, 2878841), (138, 2503340), (140, 2467578), (161, 2145720), (168, 2056315), (184, 1877505), (210, 1645052), (230, 1502004), (276, 1251670), (280, 1233789), (322, 1072860), (345, 1001336), (420, 822526), (460, 751002), (483, 715240), (552, 625835), (644, 536430), (690, 500668), (805, 429144), (840, 411263), (920, 375501), (966, 357620), (1288, 268215), (1380, 250334), (1610, 214572), (1932, 178810), (2415, 143048), (2760, 125167), (3220, 107286), (3864, 89405), (4830, 71524), (6440, 53643), (9660, 35762), (17881, 19320)]