205915920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6451}}^1$

素因数の和:6493

約数の個数: 160

約数和(自身を含む): 768046080

約数和(自身を除く): 562130160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 6451, 7980, 10640, 12902, 15960, 19353, 25804, 31920, 32255, 38706, 45157, 51608, 64510, 77412, 90314, 96765, 103216, 122569, 129020, 135471, 154824, 180628, 193530, 225785, 245138, 258040, 270942, 309648, 361256, 367707, 387060, 451570, 490276, 516080, 541884, 612845, 677355, 722512, 735414, 774120, 857983, 903140, 980552, 1083768, 1225690, 1354710, 1470828, 1548240, 1715966, 1806280, 1838535, 1961104, 2167536, 2451380, 2573949, 2709420, 2941656, 3431932, 3612560, 3677070, 4289915, 4902760, 5147898, 5418840, 5883312, 6863864, 7354140, 8579830, 9805520, 10295796, 10837680, 12869745, 13727728, 14708280, 17159660, 20591592, 25739490, 29416560, 34319320, 41183184, 51478980, 68638640, 102957960, 205915920]

約数ペア:

[(1, 205915920), (2, 102957960), (3, 68638640), (4, 51478980), (5, 41183184), (6, 34319320), (7, 29416560), (8, 25739490), (10, 20591592), (12, 17159660), (14, 14708280), (15, 13727728), (16, 12869745), (19, 10837680), (20, 10295796), (21, 9805520), (24, 8579830), (28, 7354140), (30, 6863864), (35, 5883312), (38, 5418840), (40, 5147898), (42, 4902760), (48, 4289915), (56, 3677070), (57, 3612560), (60, 3431932), (70, 2941656), (76, 2709420), (80, 2573949), (84, 2451380), (95, 2167536), (105, 1961104), (112, 1838535), (114, 1806280), (120, 1715966), (133, 1548240), (140, 1470828), (152, 1354710), (168, 1225690), (190, 1083768), (210, 980552), (228, 903140), (240, 857983), (266, 774120), (280, 735414), (285, 722512), (304, 677355), (336, 612845), (380, 541884), (399, 516080), (420, 490276), (456, 451570), (532, 387060), (560, 367707), (570, 361256), (665, 309648), (760, 270942), (798, 258040), (840, 245138), (912, 225785), (1064, 193530), (1140, 180628), (1330, 154824), (1520, 135471), (1596, 129020), (1680, 122569), (1995, 103216), (2128, 96765), (2280, 90314), (2660, 77412), (3192, 64510), (3990, 51608), (4560, 45157), (5320, 38706), (6384, 32255), (6451, 31920), (7980, 25804), (10640, 19353), (12902, 15960)]