64000320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:592

約数の個数: 112

約数和(自身を含む): 204947520

約数和(自身を除く): 140947200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 163, 192, 240, 320, 326, 409, 480, 489, 652, 815, 818, 960, 978, 1227, 1304, 1630, 1636, 1956, 2045, 2445, 2454, 2608, 3260, 3272, 3912, 4090, 4890, 4908, 5216, 6135, 6520, 6544, 7824, 8180, 9780, 9816, 10432, 12270, 13040, 13088, 15648, 16360, 19560, 19632, 24540, 26080, 26176, 31296, 32720, 39120, 39264, 49080, 52160, 65440, 66667, 78240, 78528, 98160, 130880, 133334, 156480, 196320, 200001, 266668, 333335, 392640, 400002, 533336, 666670, 800004, 1000005, 1066672, 1333340, 1600008, 2000010, 2133344, 2666680, 3200016, 4000020, 4266688, 5333360, 6400032, 8000040, 10666720, 12800064, 16000080, 21333440, 32000160, 64000320]

約数ペア:

[(1, 64000320), (2, 32000160), (3, 21333440), (4, 16000080), (5, 12800064), (6, 10666720), (8, 8000040), (10, 6400032), (12, 5333360), (15, 4266688), (16, 4000020), (20, 3200016), (24, 2666680), (30, 2133344), (32, 2000010), (40, 1600008), (48, 1333340), (60, 1066672), (64, 1000005), (80, 800004), (96, 666670), (120, 533336), (160, 400002), (163, 392640), (192, 333335), (240, 266668), (320, 200001), (326, 196320), (409, 156480), (480, 133334), (489, 130880), (652, 98160), (815, 78528), (818, 78240), (960, 66667), (978, 65440), (1227, 52160), (1304, 49080), (1630, 39264), (1636, 39120), (1956, 32720), (2045, 31296), (2445, 26176), (2454, 26080), (2608, 24540), (3260, 19632), (3272, 19560), (3912, 16360), (4090, 15648), (4890, 13088), (4908, 13040), (5216, 12270), (6135, 10432), (6520, 9816), (6544, 9780), (7824, 8180)]