84872320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 220690260

約数和(自身を除く): 135817940

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 128, 130, 160, 202, 208, 260, 320, 404, 416, 505, 520, 640, 808, 832, 1010, 1040, 1313, 1616, 1664, 2020, 2080, 2626, 3232, 4040, 4160, 5252, 6464, 6565, 8080, 8320, 10201, 10504, 12928, 13130, 16160, 20402, 21008, 26260, 32320, 40804, 42016, 51005, 52520, 64640, 81608, 84032, 102010, 105040, 132613, 163216, 168064, 204020, 210080, 265226, 326432, 408040, 420160, 530452, 652864, 663065, 816080, 840320, 1060904, 1305728, 1326130, 1632160, 2121808, 2652260, 3264320, 4243616, 5304520, 6528640, 8487232, 10609040, 16974464, 21218080, 42436160, 84872320]

約数ペア:

[(1, 84872320), (2, 42436160), (4, 21218080), (5, 16974464), (8, 10609040), (10, 8487232), (13, 6528640), (16, 5304520), (20, 4243616), (26, 3264320), (32, 2652260), (40, 2121808), (52, 1632160), (64, 1326130), (65, 1305728), (80, 1060904), (101, 840320), (104, 816080), (128, 663065), (130, 652864), (160, 530452), (202, 420160), (208, 408040), (260, 326432), (320, 265226), (404, 210080), (416, 204020), (505, 168064), (520, 163216), (640, 132613), (808, 105040), (832, 102010), (1010, 84032), (1040, 81608), (1313, 64640), (1616, 52520), (1664, 51005), (2020, 42016), (2080, 40804), (2626, 32320), (3232, 26260), (4040, 21008), (4160, 20402), (5252, 16160), (6464, 13130), (6565, 12928), (8080, 10504), (8320, 10201)]