81459200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 212252040

約数和(自身を除く): 130792840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 43, 50, 64, 74, 80, 86, 100, 128, 148, 160, 172, 185, 200, 215, 256, 296, 320, 344, 370, 400, 430, 512, 592, 640, 688, 740, 800, 860, 925, 1024, 1075, 1184, 1280, 1376, 1480, 1591, 1600, 1720, 1850, 2048, 2150, 2368, 2560, 2752, 2960, 3182, 3200, 3440, 3700, 4300, 4736, 5120, 5504, 5920, 6364, 6400, 6880, 7400, 7955, 8600, 9472, 10240, 11008, 11840, 12728, 12800, 13760, 14800, 15910, 17200, 18944, 22016, 23680, 25456, 25600, 27520, 29600, 31820, 34400, 37888, 39775, 44032, 47360, 50912, 51200, 55040, 59200, 63640, 68800, 75776, 79550, 88064, 94720, 101824, 110080, 118400, 127280, 137600, 159100, 189440, 203648, 220160, 236800, 254560, 275200, 318200, 378880, 407296, 440320, 473600, 509120, 550400, 636400, 814592, 947200, 1018240, 1100800, 1272800, 1629184, 1894400, 2036480, 2201600, 2545600, 3258368, 4072960, 5091200, 8145920, 10182400, 16291840, 20364800, 40729600, 81459200]

約数ペア:

[(1, 81459200), (2, 40729600), (4, 20364800), (5, 16291840), (8, 10182400), (10, 8145920), (16, 5091200), (20, 4072960), (25, 3258368), (32, 2545600), (37, 2201600), (40, 2036480), (43, 1894400), (50, 1629184), (64, 1272800), (74, 1100800), (80, 1018240), (86, 947200), (100, 814592), (128, 636400), (148, 550400), (160, 509120), (172, 473600), (185, 440320), (200, 407296), (215, 378880), (256, 318200), (296, 275200), (320, 254560), (344, 236800), (370, 220160), (400, 203648), (430, 189440), (512, 159100), (592, 137600), (640, 127280), (688, 118400), (740, 110080), (800, 101824), (860, 94720), (925, 88064), (1024, 79550), (1075, 75776), (1184, 68800), (1280, 63640), (1376, 59200), (1480, 55040), (1591, 51200), (1600, 50912), (1720, 47360), (1850, 44032), (2048, 39775), (2150, 37888), (2368, 34400), (2560, 31820), (2752, 29600), (2960, 27520), (3182, 25600), (3200, 25456), (3440, 23680), (3700, 22016), (4300, 18944), (4736, 17200), (5120, 15910), (5504, 14800), (5920, 13760), (6364, 12800), (6400, 12728), (6880, 11840), (7400, 11008), (7955, 10240), (8600, 9472)]