7485440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 96

約数和(自身を含む): 19459440

約数和(自身を除く): 11974000

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, 215, 256, 272, 320, 340, 344, 430, 512, 544, 640, 680, 688, 731, 860, 1024, 1088, 1280, 1360, 1376, 1462, 1720, 2048, 2176, 2560, 2720, 2752, 2924, 3440, 3655, 4352, 5120, 5440, 5504, 5848, 6880, 7310, 8704, 10240, 10880, 11008, 11696, 13760, 14620, 17408, 21760, 22016, 23392, 27520, 29240, 34816, 43520, 44032, 46784, 55040, 58480, 87040, 88064, 93568, 110080, 116960, 174080, 187136, 220160, 233920, 374272, 440320, 467840, 748544, 935680, 1497088, 1871360, 3742720, 7485440]

約数ペア:

[(1, 7485440), (2, 3742720), (4, 1871360), (5, 1497088), (8, 935680), (10, 748544), (16, 467840), (17, 440320), (20, 374272), (32, 233920), (34, 220160), (40, 187136), (43, 174080), (64, 116960), (68, 110080), (80, 93568), (85, 88064), (86, 87040), (128, 58480), (136, 55040), (160, 46784), (170, 44032), (172, 43520), (215, 34816), (256, 29240), (272, 27520), (320, 23392), (340, 22016), (344, 21760), (430, 17408), (512, 14620), (544, 13760), (640, 11696), (680, 11008), (688, 10880), (731, 10240), (860, 8704), (1024, 7310), (1088, 6880), (1280, 5848), (1360, 5504), (1376, 5440), (1462, 5120), (1720, 4352), (2048, 3655), (2176, 3440), (2560, 2924), (2720, 2752)]