1621120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 4131000

約数和(自身を除く): 2509880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 149, 160, 170, 272, 298, 320, 340, 544, 596, 640, 680, 745, 1088, 1192, 1360, 1490, 2176, 2384, 2533, 2720, 2980, 4768, 5066, 5440, 5960, 9536, 10132, 10880, 11920, 12665, 19072, 20264, 23840, 25330, 40528, 47680, 50660, 81056, 95360, 101320, 162112, 202640, 324224, 405280, 810560, 1621120]

約数ペア:

[(1, 1621120), (2, 810560), (4, 405280), (5, 324224), (8, 202640), (10, 162112), (16, 101320), (17, 95360), (20, 81056), (32, 50660), (34, 47680), (40, 40528), (64, 25330), (68, 23840), (80, 20264), (85, 19072), (128, 12665), (136, 11920), (149, 10880), (160, 10132), (170, 9536), (272, 5960), (298, 5440), (320, 5066), (340, 4768), (544, 2980), (596, 2720), (640, 2533), (680, 2384), (745, 2176), (1088, 1490), (1192, 1360)]