320643960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29363}}^1$

素因数の和:29397

約数の個数: 128

約数和(自身を含む): 1183956480

約数和(自身を除く): 863312520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 29363, 58726, 88089, 117452, 146815, 176178, 205541, 234904, 293630, 352356, 381719, 411082, 440445, 587260, 616623, 704712, 763438, 822164, 880890, 1027705, 1145157, 1174520, 1233246, 1526876, 1644328, 1761780, 1908595, 2055410, 2290314, 2466492, 2672033, 3053752, 3083115, 3523560, 3817190, 4110820, 4580628, 4932984, 5344066, 5725785, 6166230, 7634380, 8016099, 8221640, 9161256, 10688132, 11451570, 12332460, 13360165, 15268760, 16032198, 21376264, 22903140, 24664920, 26720330, 32064396, 40080495, 45806280, 53440660, 64128792, 80160990, 106881320, 160321980, 320643960]

約数ペア:

[(1, 320643960), (2, 160321980), (3, 106881320), (4, 80160990), (5, 64128792), (6, 53440660), (7, 45806280), (8, 40080495), (10, 32064396), (12, 26720330), (13, 24664920), (14, 22903140), (15, 21376264), (20, 16032198), (21, 15268760), (24, 13360165), (26, 12332460), (28, 11451570), (30, 10688132), (35, 9161256), (39, 8221640), (40, 8016099), (42, 7634380), (52, 6166230), (56, 5725785), (60, 5344066), (65, 4932984), (70, 4580628), (78, 4110820), (84, 3817190), (91, 3523560), (104, 3083115), (105, 3053752), (120, 2672033), (130, 2466492), (140, 2290314), (156, 2055410), (168, 1908595), (182, 1761780), (195, 1644328), (210, 1526876), (260, 1233246), (273, 1174520), (280, 1145157), (312, 1027705), (364, 880890), (390, 822164), (420, 763438), (455, 704712), (520, 616623), (546, 587260), (728, 440445), (780, 411082), (840, 381719), (910, 352356), (1092, 293630), (1365, 234904), (1560, 205541), (1820, 176178), (2184, 146815), (2730, 117452), (3640, 88089), (5460, 58726), (10920, 29363)]