About the Number

81321525216

81321525215 ← → 81321525217

2進数表記:1001011101111001000111111111111100000

漢数字表記:八百十三億二千百五十二万五千二百十六

素因数分解:

2 5 × 3 2 × 101 1 × 139 1 × 20113 1

素因数の和:20369
約数の個数: 144
約数和(自身を含む): 235239666480
約数和(自身を除く): 153918141264

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 101, 139, 144, 202, 278, 288, 303, 404, 417, 556, 606, 808, 834, 909, 1112, 1212, 1251, 1616, 1668, 1818, 2224, 2424, 2502, 3232, 3336, 3636, 4448, 4848, 5004, 6672, 7272, 9696, 10008, 13344, 14039, 14544, 20016, 20113, 28078, 29088, 40032, 40226, 42117, 56156, 60339, 80452, 84234, 112312, 120678, 126351, 160904, 168468, 181017, 224624, 241356, 252702, 321808, 336936, 362034, 449248, 482712, 505404, 643616, 673872, 724068, 965424, 1010808, 1347744, 1448136, 1930848, 2021616, 2031413, 2795707, 2896272, 4043232, 4062826, 5591414, 5792544, 6094239, 8125652, 8387121, 11182828, 12188478, 16251304, 16774242, 18282717, 22365656, 24376956, 25161363, 32502608, 33548484, 36565434, 44731312, 48753912, 50322726, 65005216, 67096968, 73130868, 89462624, 97507824, 100645452, 134193936, 146261736, 195015648, 201290904, 268387872, 282366407, 292523472, 402581808, 564732814, 585046944, 805163616, 847099221, 1129465628, 1694198442, 2258931256, 2541297663, 3388396884, 4517862512, 5082595326, 6776793768, 9035725024, 10165190652, 13553587536, 20330381304, 27107175072, 40660762608, 81321525216]

約数ペア:
[(1, 81321525216), (2, 40660762608), (3, 27107175072), (4, 20330381304), (6, 13553587536), (8, 10165190652), (9, 9035725024), (12, 6776793768), (16, 5082595326), (18, 4517862512), (24, 3388396884), (32, 2541297663), (36, 2258931256), (48, 1694198442), (72, 1129465628), (96, 847099221), (101, 805163616), (139, 585046944), (144, 564732814), (202, 402581808), (278, 292523472), (288, 282366407), (303, 268387872), (404, 201290904), (417, 195015648), (556, 146261736), (606, 134193936), (808, 100645452), (834, 97507824), (909, 89462624), (1112, 73130868), (1212, 67096968), (1251, 65005216), (1616, 50322726), (1668, 48753912), (1818, 44731312), (2224, 36565434), (2424, 33548484), (2502, 32502608), (3232, 25161363), (3336, 24376956), (3636, 22365656), (4448, 18282717), (4848, 16774242), (5004, 16251304), (6672, 12188478), (7272, 11182828), (9696, 8387121), (10008, 8125652), (13344, 6094239), (14039, 5792544), (14544, 5591414), (20016, 4062826), (20113, 4043232), (28078, 2896272), (29088, 2795707), (40032, 2031413), (40226, 2021616), (42117, 1930848), (56156, 1448136), (60339, 1347744), (80452, 1010808), (84234, 965424), (112312, 724068), (120678, 673872), (126351, 643616), (160904, 505404), (168468, 482712), (181017, 449248), (224624, 362034), (241356, 336936), (252702, 321808)]

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