78788640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 287400960

約数和(自身を除く): 208612320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 131, 140, 160, 168, 179, 210, 224, 240, 262, 280, 336, 358, 393, 420, 480, 524, 537, 560, 655, 672, 716, 786, 840, 895, 917, 1048, 1074, 1120, 1253, 1310, 1432, 1572, 1680, 1790, 1834, 1965, 2096, 2148, 2506, 2620, 2685, 2751, 2864, 3144, 3360, 3580, 3668, 3759, 3930, 4192, 4296, 4585, 5012, 5240, 5370, 5502, 5728, 6265, 6288, 7160, 7336, 7518, 7860, 8592, 9170, 10024, 10480, 10740, 11004, 12530, 12576, 13755, 14320, 14672, 15036, 15720, 17184, 18340, 18795, 20048, 20960, 21480, 22008, 23449, 25060, 27510, 28640, 29344, 30072, 31440, 36680, 37590, 40096, 42960, 44016, 46898, 50120, 55020, 60144, 62880, 70347, 73360, 75180, 85920, 88032, 93796, 100240, 110040, 117245, 120288, 140694, 146720, 150360, 164143, 187592, 200480, 220080, 234490, 281388, 300720, 328286, 351735, 375184, 440160, 468980, 492429, 562776, 601440, 656572, 703470, 750368, 820715, 937960, 984858, 1125552, 1313144, 1406940, 1641430, 1875920, 1969716, 2251104, 2462145, 2626288, 2813880, 3282860, 3751840, 3939432, 4924290, 5252576, 5627760, 6565720, 7878864, 9848580, 11255520, 13131440, 15757728, 19697160, 26262880, 39394320, 78788640]

約数ペア:

[(1, 78788640), (2, 39394320), (3, 26262880), (4, 19697160), (5, 15757728), (6, 13131440), (7, 11255520), (8, 9848580), (10, 7878864), (12, 6565720), (14, 5627760), (15, 5252576), (16, 4924290), (20, 3939432), (21, 3751840), (24, 3282860), (28, 2813880), (30, 2626288), (32, 2462145), (35, 2251104), (40, 1969716), (42, 1875920), (48, 1641430), (56, 1406940), (60, 1313144), (70, 1125552), (80, 984858), (84, 937960), (96, 820715), (105, 750368), (112, 703470), (120, 656572), (131, 601440), (140, 562776), (160, 492429), (168, 468980), (179, 440160), (210, 375184), (224, 351735), (240, 328286), (262, 300720), (280, 281388), (336, 234490), (358, 220080), (393, 200480), (420, 187592), (480, 164143), (524, 150360), (537, 146720), (560, 140694), (655, 120288), (672, 117245), (716, 110040), (786, 100240), (840, 93796), (895, 88032), (917, 85920), (1048, 75180), (1074, 73360), (1120, 70347), (1253, 62880), (1310, 60144), (1432, 55020), (1572, 50120), (1680, 46898), (1790, 44016), (1834, 42960), (1965, 40096), (2096, 37590), (2148, 36680), (2506, 31440), (2620, 30072), (2685, 29344), (2751, 28640), (2864, 27510), (3144, 25060), (3360, 23449), (3580, 22008), (3668, 21480), (3759, 20960), (3930, 20048), (4192, 18795), (4296, 18340), (4585, 17184), (5012, 15720), (5240, 15036), (5370, 14672), (5502, 14320), (5728, 13755), (6265, 12576), (6288, 12530), (7160, 11004), (7336, 10740), (7518, 10480), (7860, 10024), (8592, 9170)]