90968680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 237945600

約数和(自身を除く): 146976920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 89, 92, 101, 110, 115, 178, 184, 202, 220, 230, 253, 356, 404, 440, 445, 460, 505, 506, 712, 808, 890, 920, 979, 1010, 1012, 1111, 1265, 1780, 1958, 2020, 2024, 2047, 2222, 2323, 2530, 3560, 3916, 4040, 4094, 4444, 4646, 4895, 5060, 5555, 7832, 8188, 8888, 8989, 9292, 9790, 10120, 10235, 11110, 11615, 16376, 17978, 18584, 19580, 20470, 22220, 22517, 23230, 25553, 35956, 39160, 40940, 44440, 44945, 45034, 46460, 51106, 71912, 81880, 89890, 90068, 92920, 98879, 102212, 112585, 127765, 179780, 180136, 197758, 204424, 206747, 225170, 255530, 359560, 395516, 413494, 450340, 494395, 511060, 791032, 826988, 900680, 988790, 1022120, 1033735, 1653976, 1977580, 2067470, 2274217, 3955160, 4134940, 4548434, 8269880, 9096868, 11371085, 18193736, 22742170, 45484340, 90968680]

約数ペア:

[(1, 90968680), (2, 45484340), (4, 22742170), (5, 18193736), (8, 11371085), (10, 9096868), (11, 8269880), (20, 4548434), (22, 4134940), (23, 3955160), (40, 2274217), (44, 2067470), (46, 1977580), (55, 1653976), (88, 1033735), (89, 1022120), (92, 988790), (101, 900680), (110, 826988), (115, 791032), (178, 511060), (184, 494395), (202, 450340), (220, 413494), (230, 395516), (253, 359560), (356, 255530), (404, 225170), (440, 206747), (445, 204424), (460, 197758), (505, 180136), (506, 179780), (712, 127765), (808, 112585), (890, 102212), (920, 98879), (979, 92920), (1010, 90068), (1012, 89890), (1111, 81880), (1265, 71912), (1780, 51106), (1958, 46460), (2020, 45034), (2024, 44945), (2047, 44440), (2222, 40940), (2323, 39160), (2530, 35956), (3560, 25553), (3916, 23230), (4040, 22517), (4094, 22220), (4444, 20470), (4646, 19580), (4895, 18584), (5060, 17978), (5555, 16376), (7832, 11615), (8188, 11110), (8888, 10235), (8989, 10120), (9292, 9790)]