1721552640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{448321}}^1$

素因数の和:448345

約数の個数: 72

約数和(自身を含む): 5498221008

約数和(自身を除く): 3776668368

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 448321, 896642, 1344963, 1793284, 2241605, 2689926, 3586568, 4483210, 5379852, 6724815, 7173136, 8966420, 10759704, 13449630, 14346272, 17932840, 21519408, 26899260, 28692544, 35865680, 43038816, 53798520, 57385088, 71731360, 86077632, 107597040, 114770176, 143462720, 172155264, 215194080, 286925440, 344310528, 430388160, 573850880, 860776320, 1721552640]

約数ペア:

[(1, 1721552640), (2, 860776320), (3, 573850880), (4, 430388160), (5, 344310528), (6, 286925440), (8, 215194080), (10, 172155264), (12, 143462720), (15, 114770176), (16, 107597040), (20, 86077632), (24, 71731360), (30, 57385088), (32, 53798520), (40, 43038816), (48, 35865680), (60, 28692544), (64, 26899260), (80, 21519408), (96, 17932840), (120, 14346272), (128, 13449630), (160, 10759704), (192, 8966420), (240, 7173136), (256, 6724815), (320, 5379852), (384, 4483210), (480, 3586568), (640, 2689926), (768, 2241605), (960, 1793284), (1280, 1344963), (1920, 896642), (3840, 448321)]