2151605120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16561}}^1$

素因数の和:16616

約数の個数: 128

約数和(自身を含む): 6081566400

約数和(自身を除く): 3929961280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 1015, 1120, 1160, 1624, 1856, 2030, 2240, 2320, 3248, 3712, 4060, 4480, 4640, 6496, 8120, 9280, 12992, 16240, 16561, 18560, 25984, 32480, 33122, 64960, 66244, 82805, 115927, 129920, 132488, 165610, 231854, 264976, 331220, 463708, 480269, 529952, 579635, 662440, 927416, 960538, 1059904, 1159270, 1324880, 1854832, 1921076, 2119808, 2318540, 2401345, 2649760, 3361883, 3709664, 3842152, 4637080, 4802690, 5299520, 6723766, 7419328, 7684304, 9274160, 9605380, 10599040, 13447532, 14838656, 15368608, 16809415, 18548320, 19210760, 26895064, 30737216, 33618830, 37096640, 38421520, 53790128, 61474432, 67237660, 74193280, 76843040, 107580256, 134475320, 153686080, 215160512, 268950640, 307372160, 430321024, 537901280, 1075802560, 2151605120]

約数ペア:

[(1, 2151605120), (2, 1075802560), (4, 537901280), (5, 430321024), (7, 307372160), (8, 268950640), (10, 215160512), (14, 153686080), (16, 134475320), (20, 107580256), (28, 76843040), (29, 74193280), (32, 67237660), (35, 61474432), (40, 53790128), (56, 38421520), (58, 37096640), (64, 33618830), (70, 30737216), (80, 26895064), (112, 19210760), (116, 18548320), (128, 16809415), (140, 15368608), (145, 14838656), (160, 13447532), (203, 10599040), (224, 9605380), (232, 9274160), (280, 7684304), (290, 7419328), (320, 6723766), (406, 5299520), (448, 4802690), (464, 4637080), (560, 3842152), (580, 3709664), (640, 3361883), (812, 2649760), (896, 2401345), (928, 2318540), (1015, 2119808), (1120, 1921076), (1160, 1854832), (1624, 1324880), (1856, 1159270), (2030, 1059904), (2240, 960538), (2320, 927416), (3248, 662440), (3712, 579635), (4060, 529952), (4480, 480269), (4640, 463708), (6496, 331220), (8120, 264976), (9280, 231854), (12992, 165610), (16240, 132488), (16561, 129920), (18560, 115927), (25984, 82805), (32480, 66244), (33122, 64960)]