745160320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68489}}^1$

素因数の和:68525

約数の個数: 64

約数和(自身を含む): 1886214600

約数和(自身を除く): 1141054280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 68489, 136978, 273956, 342445, 547912, 684890, 1095824, 1164313, 1369780, 2191648, 2328626, 2739560, 4383296, 4657252, 5479120, 5821565, 8766592, 9314504, 10958240, 11643130, 18629008, 21916480, 23286260, 37258016, 43832960, 46572520, 74516032, 93145040, 149032064, 186290080, 372580160, 745160320]

約数ペア:

[(1, 745160320), (2, 372580160), (4, 186290080), (5, 149032064), (8, 93145040), (10, 74516032), (16, 46572520), (17, 43832960), (20, 37258016), (32, 23286260), (34, 21916480), (40, 18629008), (64, 11643130), (68, 10958240), (80, 9314504), (85, 8766592), (128, 5821565), (136, 5479120), (160, 4657252), (170, 4383296), (272, 2739560), (320, 2328626), (340, 2191648), (544, 1369780), (640, 1164313), (680, 1095824), (1088, 684890), (1360, 547912), (2176, 342445), (2720, 273956), (5440, 136978), (10880, 68489)]