255381680520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12445501}}^1$

素因数の和:12445540

約数の個数: 128

約数和(自身を含む): 896076144000

約数和(自身を除く): 640694463480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 12445501, 24891002, 37336503, 49782004, 62227505, 74673006, 99564008, 112009509, 124455010, 149346012, 186682515, 224019018, 236464519, 248910020, 298692024, 336028527, 373365030, 448038036, 472929038, 497820040, 560047545, 672057054, 709393557, 746730060, 896076072, 945858076, 1120095090, 1182322595, 1344114108, 1418787114, 1493460120, 1680142635, 1891716152, 2128180671, 2240190180, 2364645190, 2688228216, 2837574228, 3360285270, 3546967785, 4256361342, 4480380360, 4729290380, 5675148456, 6384542013, 6720570540, 7093935570, 8512722684, 9458580760, 10640903355, 12769084026, 13441141080, 14187871140, 17025445368, 21281806710, 25538168052, 28375742280, 31922710065, 42563613420, 51076336104, 63845420130, 85127226840, 127690840260, 255381680520]

約数ペア:

[(1, 255381680520), (2, 127690840260), (3, 85127226840), (4, 63845420130), (5, 51076336104), (6, 42563613420), (8, 31922710065), (9, 28375742280), (10, 25538168052), (12, 21281806710), (15, 17025445368), (18, 14187871140), (19, 13441141080), (20, 12769084026), (24, 10640903355), (27, 9458580760), (30, 8512722684), (36, 7093935570), (38, 6720570540), (40, 6384542013), (45, 5675148456), (54, 4729290380), (57, 4480380360), (60, 4256361342), (72, 3546967785), (76, 3360285270), (90, 2837574228), (95, 2688228216), (108, 2364645190), (114, 2240190180), (120, 2128180671), (135, 1891716152), (152, 1680142635), (171, 1493460120), (180, 1418787114), (190, 1344114108), (216, 1182322595), (228, 1120095090), (270, 945858076), (285, 896076072), (342, 746730060), (360, 709393557), (380, 672057054), (456, 560047545), (513, 497820040), (540, 472929038), (570, 448038036), (684, 373365030), (760, 336028527), (855, 298692024), (1026, 248910020), (1080, 236464519), (1140, 224019018), (1368, 186682515), (1710, 149346012), (2052, 124455010), (2280, 112009509), (2565, 99564008), (3420, 74673006), (4104, 62227505), (5130, 49782004), (6840, 37336503), (10260, 24891002), (20520, 12445501)]