255432480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1419

約数の個数: 192

約数和(自身を含む): 889636608

約数和(自身を除く): 634204128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 96, 102, 115, 120, 136, 138, 160, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 460, 480, 510, 544, 552, 680, 690, 736, 782, 816, 920, 1020, 1104, 1173, 1360, 1361, 1380, 1564, 1632, 1840, 1955, 2040, 2208, 2346, 2720, 2722, 2760, 3128, 3680, 3910, 4080, 4083, 4692, 5444, 5520, 5865, 6256, 6805, 7820, 8160, 8166, 9384, 10888, 11040, 11730, 12512, 13610, 15640, 16332, 18768, 20415, 21776, 23137, 23460, 27220, 31280, 31303, 32664, 37536, 40830, 43552, 46274, 46920, 54440, 62560, 62606, 65328, 69411, 81660, 92548, 93840, 93909, 108880, 115685, 125212, 130656, 138822, 156515, 163320, 185096, 187680, 187818, 217760, 231370, 250424, 277644, 313030, 326640, 347055, 370192, 375636, 462740, 469545, 500848, 532151, 555288, 626060, 653280, 694110, 740384, 751272, 925480, 939090, 1001696, 1064302, 1110576, 1252120, 1388220, 1502544, 1596453, 1850960, 1878180, 2128604, 2221152, 2504240, 2660755, 2776440, 3005088, 3192906, 3701920, 3756360, 4257208, 5008480, 5321510, 5552880, 6385812, 7512720, 7982265, 8514416, 10643020, 11105760, 12771624, 15025440, 15964530, 17028832, 21286040, 25543248, 31929060, 42572080, 51086496, 63858120, 85144160, 127716240, 255432480]

約数ペア:

[(1, 255432480), (2, 127716240), (3, 85144160), (4, 63858120), (5, 51086496), (6, 42572080), (8, 31929060), (10, 25543248), (12, 21286040), (15, 17028832), (16, 15964530), (17, 15025440), (20, 12771624), (23, 11105760), (24, 10643020), (30, 8514416), (32, 7982265), (34, 7512720), (40, 6385812), (46, 5552880), (48, 5321510), (51, 5008480), (60, 4257208), (68, 3756360), (69, 3701920), (80, 3192906), (85, 3005088), (92, 2776440), (96, 2660755), (102, 2504240), (115, 2221152), (120, 2128604), (136, 1878180), (138, 1850960), (160, 1596453), (170, 1502544), (184, 1388220), (204, 1252120), (230, 1110576), (240, 1064302), (255, 1001696), (272, 939090), (276, 925480), (340, 751272), (345, 740384), (368, 694110), (391, 653280), (408, 626060), (460, 555288), (480, 532151), (510, 500848), (544, 469545), (552, 462740), (680, 375636), (690, 370192), (736, 347055), (782, 326640), (816, 313030), (920, 277644), (1020, 250424), (1104, 231370), (1173, 217760), (1360, 187818), (1361, 187680), (1380, 185096), (1564, 163320), (1632, 156515), (1840, 138822), (1955, 130656), (2040, 125212), (2208, 115685), (2346, 108880), (2720, 93909), (2722, 93840), (2760, 92548), (3128, 81660), (3680, 69411), (3910, 65328), (4080, 62606), (4083, 62560), (4692, 54440), (5444, 46920), (5520, 46274), (5865, 43552), (6256, 40830), (6805, 37536), (7820, 32664), (8160, 31303), (8166, 31280), (9384, 27220), (10888, 23460), (11040, 23137), (11730, 21776), (12512, 20415), (13610, 18768), (15640, 16332)]