258520920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13381}}^1$

素因数の和:13425

約数の個数: 128

約数和(自身を含む): 924963840

約数和(自身を除く): 666442920

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, 13381, 19320, 26762, 40143, 53524, 66905, 80286, 93667, 107048, 133810, 160572, 187334, 200715, 267620, 281001, 307763, 321144, 374668, 401430, 468335, 535240, 562002, 615526, 749336, 802860, 923289, 936670, 1124004, 1231052, 1405005, 1538815, 1605720, 1846578, 1873340, 2154341, 2248008, 2462104, 2810010, 3077630, 3693156, 3746680, 4308682, 4616445, 5620020, 6155260, 6463023, 7386312, 8617364, 9232890, 10771705, 11240040, 12310520, 12926046, 17234728, 18465780, 21543410, 25852092, 32315115, 36931560, 43086820, 51704184, 64630230, 86173640, 129260460, 258520920]

約数ペア:

[(1, 258520920), (2, 129260460), (3, 86173640), (4, 64630230), (5, 51704184), (6, 43086820), (7, 36931560), (8, 32315115), (10, 25852092), (12, 21543410), (14, 18465780), (15, 17234728), (20, 12926046), (21, 12310520), (23, 11240040), (24, 10771705), (28, 9232890), (30, 8617364), (35, 7386312), (40, 6463023), (42, 6155260), (46, 5620020), (56, 4616445), (60, 4308682), (69, 3746680), (70, 3693156), (84, 3077630), (92, 2810010), (105, 2462104), (115, 2248008), (120, 2154341), (138, 1873340), (140, 1846578), (161, 1605720), (168, 1538815), (184, 1405005), (210, 1231052), (230, 1124004), (276, 936670), (280, 923289), (322, 802860), (345, 749336), (420, 615526), (460, 562002), (483, 535240), (552, 468335), (644, 401430), (690, 374668), (805, 321144), (840, 307763), (920, 281001), (966, 267620), (1288, 200715), (1380, 187334), (1610, 160572), (1932, 133810), (2415, 107048), (2760, 93667), (3220, 80286), (3864, 66905), (4830, 53524), (6440, 40143), (9660, 26762), (13381, 19320)]