215555760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2296

約数の個数: 240

約数和(自身を含む): 871253760

約数和(自身を除く): 655698000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2251, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4502, 4560, 4788, 5040, 5320, 5985, 6384, 6753, 6840, 7980, 9004, 9576, 10640, 11255, 11970, 13506, 13680, 15757, 15960, 18008, 19152, 20259, 22510, 23940, 27012, 31514, 31920, 33765, 36016, 40518, 42769, 45020, 47271, 47880, 54024, 63028, 67530, 78785, 81036, 85538, 90040, 94542, 95760, 101295, 108048, 126056, 128307, 135060, 141813, 157570, 162072, 171076, 180080, 189084, 202590, 213845, 236355, 252112, 256614, 270120, 283626, 299383, 315140, 324144, 342152, 378168, 384921, 405180, 427690, 472710, 513228, 540240, 567252, 598766, 630280, 641535, 684304, 709065, 756336, 769842, 810360, 855380, 898149, 945420, 1026456, 1134504, 1197532, 1260560, 1283070, 1418130, 1496915, 1539684, 1620720, 1710760, 1796298, 1890840, 1924605, 2052912, 2269008, 2395064, 2566140, 2694447, 2836260, 2993830, 3079368, 3421520, 3592596, 3781680, 3849210, 4490745, 4790128, 5132280, 5388894, 5672520, 5987660, 6158736, 7185192, 7698420, 8981490, 10264560, 10777788, 11345040, 11975320, 13472235, 14370384, 15396840, 17962980, 21555576, 23950640, 26944470, 30793680, 35925960, 43111152, 53888940, 71851920, 107777880, 215555760]

約数ペア:

[(1, 215555760), (2, 107777880), (3, 71851920), (4, 53888940), (5, 43111152), (6, 35925960), (7, 30793680), (8, 26944470), (9, 23950640), (10, 21555576), (12, 17962980), (14, 15396840), (15, 14370384), (16, 13472235), (18, 11975320), (19, 11345040), (20, 10777788), (21, 10264560), (24, 8981490), (28, 7698420), (30, 7185192), (35, 6158736), (36, 5987660), (38, 5672520), (40, 5388894), (42, 5132280), (45, 4790128), (48, 4490745), (56, 3849210), (57, 3781680), (60, 3592596), (63, 3421520), (70, 3079368), (72, 2993830), (76, 2836260), (80, 2694447), (84, 2566140), (90, 2395064), (95, 2269008), (105, 2052912), (112, 1924605), (114, 1890840), (120, 1796298), (126, 1710760), (133, 1620720), (140, 1539684), (144, 1496915), (152, 1418130), (168, 1283070), (171, 1260560), (180, 1197532), (190, 1134504), (210, 1026456), (228, 945420), (240, 898149), (252, 855380), (266, 810360), (280, 769842), (285, 756336), (304, 709065), (315, 684304), (336, 641535), (342, 630280), (360, 598766), (380, 567252), (399, 540240), (420, 513228), (456, 472710), (504, 427690), (532, 405180), (560, 384921), (570, 378168), (630, 342152), (665, 324144), (684, 315140), (720, 299383), (760, 283626), (798, 270120), (840, 256614), (855, 252112), (912, 236355), (1008, 213845), (1064, 202590), (1140, 189084), (1197, 180080), (1260, 171076), (1330, 162072), (1368, 157570), (1520, 141813), (1596, 135060), (1680, 128307), (1710, 126056), (1995, 108048), (2128, 101295), (2251, 95760), (2280, 94542), (2394, 90040), (2520, 85538), (2660, 81036), (2736, 78785), (3192, 67530), (3420, 63028), (3990, 54024), (4502, 47880), (4560, 47271), (4788, 45020), (5040, 42769), (5320, 40518), (5985, 36016), (6384, 33765), (6753, 31920), (6840, 31514), (7980, 27012), (9004, 23940), (9576, 22510), (10640, 20259), (11255, 19152), (11970, 18008), (13506, 15960), (13680, 15757)]