71821260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:525

約数の個数: 216

約数和(自身を含む): 268894080

約数和(自身を除く): 197072820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 479, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 882, 958, 980, 1020, 1071, 1190, 1260, 1428, 1437, 1470, 1530, 1666, 1764, 1785, 1916, 2142, 2205, 2380, 2395, 2499, 2874, 2940, 3060, 3332, 3353, 3570, 4165, 4284, 4311, 4410, 4790, 4998, 5355, 5748, 6706, 7140, 7185, 7497, 8143, 8330, 8622, 8820, 9580, 9996, 10059, 10710, 12495, 13412, 14370, 14994, 16286, 16660, 16765, 17244, 20118, 21420, 21555, 23471, 24429, 24990, 28740, 29988, 30177, 32572, 33530, 37485, 40236, 40715, 43110, 46942, 48858, 49980, 50295, 57001, 60354, 67060, 70413, 73287, 74970, 81430, 86220, 93884, 97716, 100590, 114002, 117355, 120708, 122145, 140826, 146574, 149940, 150885, 162860, 171003, 201180, 211239, 228004, 234710, 244290, 281652, 285005, 293148, 301770, 342006, 352065, 366435, 399007, 422478, 469420, 488580, 513009, 570010, 603540, 684012, 704130, 732870, 798014, 844956, 855015, 1026018, 1056195, 1140020, 1197021, 1408260, 1465740, 1596028, 1710030, 1995035, 2052036, 2112390, 2394042, 2565045, 3420060, 3591063, 3990070, 4224780, 4788084, 5130090, 5985105, 7182126, 7980140, 10260180, 11970210, 14364252, 17955315, 23940420, 35910630, 71821260]

約数ペア:

[(1, 71821260), (2, 35910630), (3, 23940420), (4, 17955315), (5, 14364252), (6, 11970210), (7, 10260180), (9, 7980140), (10, 7182126), (12, 5985105), (14, 5130090), (15, 4788084), (17, 4224780), (18, 3990070), (20, 3591063), (21, 3420060), (28, 2565045), (30, 2394042), (34, 2112390), (35, 2052036), (36, 1995035), (42, 1710030), (45, 1596028), (49, 1465740), (51, 1408260), (60, 1197021), (63, 1140020), (68, 1056195), (70, 1026018), (84, 855015), (85, 844956), (90, 798014), (98, 732870), (102, 704130), (105, 684012), (119, 603540), (126, 570010), (140, 513009), (147, 488580), (153, 469420), (170, 422478), (180, 399007), (196, 366435), (204, 352065), (210, 342006), (238, 301770), (245, 293148), (252, 285005), (255, 281652), (294, 244290), (306, 234710), (315, 228004), (340, 211239), (357, 201180), (420, 171003), (441, 162860), (476, 150885), (479, 149940), (490, 146574), (510, 140826), (588, 122145), (595, 120708), (612, 117355), (630, 114002), (714, 100590), (735, 97716), (765, 93884), (833, 86220), (882, 81430), (958, 74970), (980, 73287), (1020, 70413), (1071, 67060), (1190, 60354), (1260, 57001), (1428, 50295), (1437, 49980), (1470, 48858), (1530, 46942), (1666, 43110), (1764, 40715), (1785, 40236), (1916, 37485), (2142, 33530), (2205, 32572), (2380, 30177), (2395, 29988), (2499, 28740), (2874, 24990), (2940, 24429), (3060, 23471), (3332, 21555), (3353, 21420), (3570, 20118), (4165, 17244), (4284, 16765), (4311, 16660), (4410, 16286), (4790, 14994), (4998, 14370), (5355, 13412), (5748, 12495), (6706, 10710), (7140, 10059), (7185, 9996), (7497, 9580), (8143, 8820), (8330, 8622)]