89357440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 232657920

約数和(自身を除く): 143300480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 191, 215, 272, 320, 340, 344, 382, 430, 544, 640, 680, 688, 731, 764, 860, 955, 1088, 1360, 1376, 1462, 1528, 1720, 1910, 2176, 2720, 2752, 2924, 3056, 3247, 3440, 3655, 3820, 5440, 5504, 5848, 6112, 6494, 6880, 7310, 7640, 8213, 10880, 11696, 12224, 12988, 13760, 14620, 15280, 16235, 16426, 23392, 24448, 25976, 27520, 29240, 30560, 32470, 32852, 41065, 46784, 51952, 58480, 61120, 64940, 65704, 82130, 93568, 103904, 116960, 122240, 129880, 131408, 139621, 164260, 207808, 233920, 259760, 262816, 279242, 328520, 415616, 467840, 519520, 525632, 558484, 657040, 698105, 1039040, 1051264, 1116968, 1314080, 1396210, 2078080, 2233936, 2628160, 2792420, 4467872, 5256320, 5584840, 8935744, 11169680, 17871488, 22339360, 44678720, 89357440]

約数ペア:

[(1, 89357440), (2, 44678720), (4, 22339360), (5, 17871488), (8, 11169680), (10, 8935744), (16, 5584840), (17, 5256320), (20, 4467872), (32, 2792420), (34, 2628160), (40, 2233936), (43, 2078080), (64, 1396210), (68, 1314080), (80, 1116968), (85, 1051264), (86, 1039040), (128, 698105), (136, 657040), (160, 558484), (170, 525632), (172, 519520), (191, 467840), (215, 415616), (272, 328520), (320, 279242), (340, 262816), (344, 259760), (382, 233920), (430, 207808), (544, 164260), (640, 139621), (680, 131408), (688, 129880), (731, 122240), (764, 116960), (860, 103904), (955, 93568), (1088, 82130), (1360, 65704), (1376, 64940), (1462, 61120), (1528, 58480), (1720, 51952), (1910, 46784), (2176, 41065), (2720, 32852), (2752, 32470), (2924, 30560), (3056, 29240), (3247, 27520), (3440, 25976), (3655, 24448), (3820, 23392), (5440, 16426), (5504, 16235), (5848, 15280), (6112, 14620), (6494, 13760), (6880, 12988), (7310, 12224), (7640, 11696), (8213, 10880)]