51247560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 200802240

約数和(自身を除く): 149554680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 169, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 338, 361, 364, 380, 390, 399, 420, 455, 456, 494, 507, 520, 532, 546, 570, 665, 676, 722, 728, 741, 760, 780, 798, 840, 845, 910, 988, 1014, 1064, 1083, 1092, 1140, 1183, 1235, 1330, 1352, 1365, 1444, 1482, 1560, 1596, 1690, 1729, 1805, 1820, 1976, 1995, 2028, 2166, 2184, 2280, 2366, 2470, 2527, 2535, 2660, 2730, 2888, 2964, 3192, 3211, 3380, 3458, 3549, 3610, 3640, 3705, 3990, 4056, 4332, 4693, 4732, 4940, 5054, 5070, 5187, 5320, 5415, 5460, 5915, 5928, 6422, 6760, 6916, 7098, 7220, 7410, 7581, 7980, 8645, 8664, 9386, 9464, 9633, 9880, 10108, 10140, 10374, 10830, 10920, 11830, 12635, 12844, 13832, 14079, 14196, 14440, 14820, 15162, 15960, 16055, 17290, 17745, 18772, 19266, 20216, 20280, 20748, 21660, 22477, 23465, 23660, 25270, 25688, 25935, 28158, 28392, 29640, 30324, 32110, 32851, 34580, 35490, 37544, 37905, 38532, 41496, 43320, 44954, 46930, 47320, 48165, 50540, 51870, 56316, 60648, 61009, 64220, 65702, 67431, 69160, 70395, 70980, 75810, 77064, 89908, 93860, 96330, 98553, 101080, 103740, 112385, 112632, 122018, 128440, 131404, 134862, 140790, 141960, 151620, 164255, 179816, 183027, 187720, 192660, 197106, 207480, 224770, 244036, 262808, 269724, 281580, 303240, 305045, 328510, 337155, 366054, 385320, 394212, 427063, 449540, 488072, 492765, 539448, 563160, 610090, 657020, 674310, 732108, 788424, 854126, 899080, 915135, 985530, 1220180, 1281189, 1314040, 1348620, 1464216, 1708252, 1830270, 1971060, 2135315, 2440360, 2562378, 2697240, 3416504, 3660540, 3942120, 4270630, 5124756, 6405945, 7321080, 8541260, 10249512, 12811890, 17082520, 25623780, 51247560]

約数ペア:

[(1, 51247560), (2, 25623780), (3, 17082520), (4, 12811890), (5, 10249512), (6, 8541260), (7, 7321080), (8, 6405945), (10, 5124756), (12, 4270630), (13, 3942120), (14, 3660540), (15, 3416504), (19, 2697240), (20, 2562378), (21, 2440360), (24, 2135315), (26, 1971060), (28, 1830270), (30, 1708252), (35, 1464216), (38, 1348620), (39, 1314040), (40, 1281189), (42, 1220180), (52, 985530), (56, 915135), (57, 899080), (60, 854126), (65, 788424), (70, 732108), (76, 674310), (78, 657020), (84, 610090), (91, 563160), (95, 539448), (104, 492765), (105, 488072), (114, 449540), (120, 427063), (130, 394212), (133, 385320), (140, 366054), (152, 337155), (156, 328510), (168, 305045), (169, 303240), (182, 281580), (190, 269724), (195, 262808), (210, 244036), (228, 224770), (247, 207480), (260, 197106), (266, 192660), (273, 187720), (280, 183027), (285, 179816), (312, 164255), (338, 151620), (361, 141960), (364, 140790), (380, 134862), (390, 131404), (399, 128440), (420, 122018), (455, 112632), (456, 112385), (494, 103740), (507, 101080), (520, 98553), (532, 96330), (546, 93860), (570, 89908), (665, 77064), (676, 75810), (722, 70980), (728, 70395), (741, 69160), (760, 67431), (780, 65702), (798, 64220), (840, 61009), (845, 60648), (910, 56316), (988, 51870), (1014, 50540), (1064, 48165), (1083, 47320), (1092, 46930), (1140, 44954), (1183, 43320), (1235, 41496), (1330, 38532), (1352, 37905), (1365, 37544), (1444, 35490), (1482, 34580), (1560, 32851), (1596, 32110), (1690, 30324), (1729, 29640), (1805, 28392), (1820, 28158), (1976, 25935), (1995, 25688), (2028, 25270), (2166, 23660), (2184, 23465), (2280, 22477), (2366, 21660), (2470, 20748), (2527, 20280), (2535, 20216), (2660, 19266), (2730, 18772), (2888, 17745), (2964, 17290), (3192, 16055), (3211, 15960), (3380, 15162), (3458, 14820), (3549, 14440), (3610, 14196), (3640, 14079), (3705, 13832), (3990, 12844), (4056, 12635), (4332, 11830), (4693, 10920), (4732, 10830), (4940, 10374), (5054, 10140), (5070, 10108), (5187, 9880), (5320, 9633), (5415, 9464), (5460, 9386), (5915, 8664), (5928, 8645), (6422, 7980), (6760, 7581), (6916, 7410), (7098, 7220)]