69841280

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 178459200

約数和(自身を除く): 108617920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 53, 58, 64, 71, 80, 106, 116, 128, 142, 145, 160, 212, 232, 265, 284, 290, 320, 355, 424, 464, 530, 568, 580, 640, 710, 848, 928, 1060, 1136, 1160, 1420, 1537, 1696, 1856, 2059, 2120, 2272, 2320, 2840, 3074, 3392, 3712, 3763, 4118, 4240, 4544, 4640, 5680, 6148, 6784, 7526, 7685, 8236, 8480, 9088, 9280, 10295, 11360, 12296, 15052, 15370, 16472, 16960, 18560, 18815, 20590, 22720, 24592, 30104, 30740, 32944, 33920, 37630, 41180, 45440, 49184, 60208, 61480, 65888, 75260, 82360, 98368, 109127, 120416, 122960, 131776, 150520, 164720, 196736, 218254, 240832, 245920, 263552, 301040, 329440, 436508, 481664, 491840, 545635, 602080, 658880, 873016, 983680, 1091270, 1204160, 1317760, 1746032, 2182540, 2408320, 3492064, 4365080, 6984128, 8730160, 13968256, 17460320, 34920640, 69841280]

約数ペア:

[(1, 69841280), (2, 34920640), (4, 17460320), (5, 13968256), (8, 8730160), (10, 6984128), (16, 4365080), (20, 3492064), (29, 2408320), (32, 2182540), (40, 1746032), (53, 1317760), (58, 1204160), (64, 1091270), (71, 983680), (80, 873016), (106, 658880), (116, 602080), (128, 545635), (142, 491840), (145, 481664), (160, 436508), (212, 329440), (232, 301040), (265, 263552), (284, 245920), (290, 240832), (320, 218254), (355, 196736), (424, 164720), (464, 150520), (530, 131776), (568, 122960), (580, 120416), (640, 109127), (710, 98368), (848, 82360), (928, 75260), (1060, 65888), (1136, 61480), (1160, 60208), (1420, 49184), (1537, 45440), (1696, 41180), (1856, 37630), (2059, 33920), (2120, 32944), (2272, 30740), (2320, 30104), (2840, 24592), (3074, 22720), (3392, 20590), (3712, 18815), (3763, 18560), (4118, 16960), (4240, 16472), (4544, 15370), (4640, 15052), (5680, 12296), (6148, 11360), (6784, 10295), (7526, 9280), (7685, 9088), (8236, 8480)]