30785920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4373}}^1$

素因数の和:4403

約数の個数: 64

約数和(自身を含む): 80306640

約数和(自身を除く): 49520720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 4373, 7040, 8746, 17492, 21865, 34984, 43730, 48103, 69968, 87460, 96206, 139936, 174920, 192412, 240515, 279872, 349840, 384824, 481030, 559744, 699680, 769648, 962060, 1399360, 1539296, 1924120, 2798720, 3078592, 3848240, 6157184, 7696480, 15392960, 30785920]

約数ペア:

[(1, 30785920), (2, 15392960), (4, 7696480), (5, 6157184), (8, 3848240), (10, 3078592), (11, 2798720), (16, 1924120), (20, 1539296), (22, 1399360), (32, 962060), (40, 769648), (44, 699680), (55, 559744), (64, 481030), (80, 384824), (88, 349840), (110, 279872), (128, 240515), (160, 192412), (176, 174920), (220, 139936), (320, 96206), (352, 87460), (440, 69968), (640, 48103), (704, 43730), (880, 34984), (1408, 21865), (1760, 17492), (3520, 8746), (4373, 7040)]