256467120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11743}}^1$

素因数の和:11779

約数の個数: 160

約数和(自身を含む): 978604032

約数和(自身を除く): 722136912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 11743, 21840, 23486, 35229, 46972, 58715, 70458, 82201, 93944, 117430, 140916, 152659, 164402, 176145, 187888, 234860, 246603, 281832, 305318, 328804, 352290, 411005, 457977, 469720, 493206, 563664, 610636, 657608, 704580, 763295, 822010, 915954, 939440, 986412, 1068613, 1221272, 1233015, 1315216, 1409160, 1526590, 1644020, 1831908, 1972824, 2137226, 2289885, 2442544, 2466030, 2818320, 3053180, 3205839, 3288040, 3663816, 3945648, 4274452, 4579770, 4932060, 5343065, 6106360, 6411678, 6576080, 7327632, 8548904, 9159540, 9864120, 10686130, 12212720, 12823356, 16029195, 17097808, 18319080, 19728240, 21372260, 25646712, 32058390, 36638160, 42744520, 51293424, 64116780, 85489040, 128233560, 256467120]

約数ペア:

[(1, 256467120), (2, 128233560), (3, 85489040), (4, 64116780), (5, 51293424), (6, 42744520), (7, 36638160), (8, 32058390), (10, 25646712), (12, 21372260), (13, 19728240), (14, 18319080), (15, 17097808), (16, 16029195), (20, 12823356), (21, 12212720), (24, 10686130), (26, 9864120), (28, 9159540), (30, 8548904), (35, 7327632), (39, 6576080), (40, 6411678), (42, 6106360), (48, 5343065), (52, 4932060), (56, 4579770), (60, 4274452), (65, 3945648), (70, 3663816), (78, 3288040), (80, 3205839), (84, 3053180), (91, 2818320), (104, 2466030), (105, 2442544), (112, 2289885), (120, 2137226), (130, 1972824), (140, 1831908), (156, 1644020), (168, 1526590), (182, 1409160), (195, 1315216), (208, 1233015), (210, 1221272), (240, 1068613), (260, 986412), (273, 939440), (280, 915954), (312, 822010), (336, 763295), (364, 704580), (390, 657608), (420, 610636), (455, 563664), (520, 493206), (546, 469720), (560, 457977), (624, 411005), (728, 352290), (780, 328804), (840, 305318), (910, 281832), (1040, 246603), (1092, 234860), (1365, 187888), (1456, 176145), (1560, 164402), (1680, 152659), (1820, 140916), (2184, 117430), (2730, 93944), (3120, 82201), (3640, 70458), (4368, 58715), (5460, 46972), (7280, 35229), (10920, 23486), (11743, 21840)]