64392960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 211186080

約数和(自身を除く): 146793120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 409, 410, 480, 492, 615, 640, 656, 768, 818, 820, 960, 984, 1227, 1230, 1280, 1312, 1636, 1640, 1920, 1968, 2045, 2454, 2460, 2624, 3272, 3280, 3840, 3936, 4090, 4908, 4920, 5248, 6135, 6544, 6560, 7872, 8180, 9816, 9840, 10496, 12270, 13088, 13120, 15744, 16360, 16769, 19632, 19680, 24540, 26176, 26240, 31488, 32720, 33538, 39264, 39360, 49080, 50307, 52352, 52480, 65440, 67076, 78528, 78720, 83845, 98160, 100614, 104704, 130880, 134152, 157056, 157440, 167690, 196320, 201228, 251535, 261760, 268304, 314112, 335380, 392640, 402456, 503070, 523520, 536608, 670760, 785280, 804912, 1006140, 1073216, 1341520, 1570560, 1609824, 2012280, 2146432, 2683040, 3219648, 4024560, 4292864, 5366080, 6439296, 8049120, 10732160, 12878592, 16098240, 21464320, 32196480, 64392960]

約数ペア:

[(1, 64392960), (2, 32196480), (3, 21464320), (4, 16098240), (5, 12878592), (6, 10732160), (8, 8049120), (10, 6439296), (12, 5366080), (15, 4292864), (16, 4024560), (20, 3219648), (24, 2683040), (30, 2146432), (32, 2012280), (40, 1609824), (41, 1570560), (48, 1341520), (60, 1073216), (64, 1006140), (80, 804912), (82, 785280), (96, 670760), (120, 536608), (123, 523520), (128, 503070), (160, 402456), (164, 392640), (192, 335380), (205, 314112), (240, 268304), (246, 261760), (256, 251535), (320, 201228), (328, 196320), (384, 167690), (409, 157440), (410, 157056), (480, 134152), (492, 130880), (615, 104704), (640, 100614), (656, 98160), (768, 83845), (818, 78720), (820, 78528), (960, 67076), (984, 65440), (1227, 52480), (1230, 52352), (1280, 50307), (1312, 49080), (1636, 39360), (1640, 39264), (1920, 33538), (1968, 32720), (2045, 31488), (2454, 26240), (2460, 26176), (2624, 24540), (3272, 19680), (3280, 19632), (3840, 16769), (3936, 16360), (4090, 15744), (4908, 13120), (4920, 13088), (5248, 12270), (6135, 10496), (6544, 9840), (6560, 9816), (7872, 8180)]