64023680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 180956160

約数和(自身を除く): 116932480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 461, 496, 560, 620, 640, 868, 896, 922, 992, 1085, 1120, 1240, 1736, 1844, 1984, 2170, 2240, 2305, 2480, 3227, 3472, 3688, 3968, 4340, 4480, 4610, 4960, 6454, 6944, 7376, 8680, 9220, 9920, 12908, 13888, 14291, 14752, 16135, 17360, 18440, 19840, 25816, 27776, 28582, 29504, 32270, 34720, 36880, 51632, 57164, 59008, 64540, 69440, 71455, 73760, 100037, 103264, 114328, 129080, 138880, 142910, 147520, 200074, 206528, 228656, 258160, 285820, 295040, 400148, 413056, 457312, 500185, 516320, 571640, 800296, 914624, 1000370, 1032640, 1143280, 1600592, 1829248, 2000740, 2065280, 2286560, 3201184, 4001480, 4573120, 6402368, 8002960, 9146240, 12804736, 16005920, 32011840, 64023680]

約数ペア:

[(1, 64023680), (2, 32011840), (4, 16005920), (5, 12804736), (7, 9146240), (8, 8002960), (10, 6402368), (14, 4573120), (16, 4001480), (20, 3201184), (28, 2286560), (31, 2065280), (32, 2000740), (35, 1829248), (40, 1600592), (56, 1143280), (62, 1032640), (64, 1000370), (70, 914624), (80, 800296), (112, 571640), (124, 516320), (128, 500185), (140, 457312), (155, 413056), (160, 400148), (217, 295040), (224, 285820), (248, 258160), (280, 228656), (310, 206528), (320, 200074), (434, 147520), (448, 142910), (461, 138880), (496, 129080), (560, 114328), (620, 103264), (640, 100037), (868, 73760), (896, 71455), (922, 69440), (992, 64540), (1085, 59008), (1120, 57164), (1240, 51632), (1736, 36880), (1844, 34720), (1984, 32270), (2170, 29504), (2240, 28582), (2305, 27776), (2480, 25816), (3227, 19840), (3472, 18440), (3688, 17360), (3968, 16135), (4340, 14752), (4480, 14291), (4610, 13888), (4960, 12908), (6454, 9920), (6944, 9220), (7376, 8680)]