85838720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 228031200

約数和(自身を除く): 142192480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 137, 160, 176, 178, 220, 274, 320, 352, 356, 440, 445, 548, 640, 685, 704, 712, 880, 890, 979, 1096, 1370, 1408, 1424, 1507, 1760, 1780, 1958, 2192, 2740, 2848, 3014, 3520, 3560, 3916, 4384, 4895, 5480, 5696, 6028, 7040, 7120, 7535, 7832, 8768, 9790, 10960, 11392, 12056, 12193, 14240, 15070, 15664, 17536, 19580, 21920, 24112, 24386, 28480, 30140, 31328, 39160, 43840, 48224, 48772, 56960, 60280, 60965, 62656, 78320, 87680, 96448, 97544, 120560, 121930, 125312, 134123, 156640, 192896, 195088, 241120, 243860, 268246, 313280, 390176, 482240, 487720, 536492, 626560, 670615, 780352, 964480, 975440, 1072984, 1341230, 1560704, 1950880, 2145968, 2682460, 3901760, 4291936, 5364920, 7803520, 8583872, 10729840, 17167744, 21459680, 42919360, 85838720]

約数ペア:

[(1, 85838720), (2, 42919360), (4, 21459680), (5, 17167744), (8, 10729840), (10, 8583872), (11, 7803520), (16, 5364920), (20, 4291936), (22, 3901760), (32, 2682460), (40, 2145968), (44, 1950880), (55, 1560704), (64, 1341230), (80, 1072984), (88, 975440), (89, 964480), (110, 780352), (128, 670615), (137, 626560), (160, 536492), (176, 487720), (178, 482240), (220, 390176), (274, 313280), (320, 268246), (352, 243860), (356, 241120), (440, 195088), (445, 192896), (548, 156640), (640, 134123), (685, 125312), (704, 121930), (712, 120560), (880, 97544), (890, 96448), (979, 87680), (1096, 78320), (1370, 62656), (1408, 60965), (1424, 60280), (1507, 56960), (1760, 48772), (1780, 48224), (1958, 43840), (2192, 39160), (2740, 31328), (2848, 30140), (3014, 28480), (3520, 24386), (3560, 24112), (3916, 21920), (4384, 19580), (4895, 17536), (5480, 15664), (5696, 15070), (6028, 14240), (7040, 12193), (7120, 12056), (7535, 11392), (7832, 10960), (8768, 9790)]