6480640

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 15967728

約数和(自身を除く): 9487088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 83, 122, 128, 160, 166, 244, 256, 305, 320, 332, 415, 488, 610, 640, 664, 830, 976, 1220, 1280, 1328, 1660, 1952, 2440, 2656, 3320, 3904, 4880, 5063, 5312, 6640, 7808, 9760, 10126, 10624, 13280, 15616, 19520, 20252, 21248, 25315, 26560, 39040, 40504, 50630, 53120, 78080, 81008, 101260, 106240, 162016, 202520, 324032, 405040, 648064, 810080, 1296128, 1620160, 3240320, 6480640]

約数ペア:

[(1, 6480640), (2, 3240320), (4, 1620160), (5, 1296128), (8, 810080), (10, 648064), (16, 405040), (20, 324032), (32, 202520), (40, 162016), (61, 106240), (64, 101260), (80, 81008), (83, 78080), (122, 53120), (128, 50630), (160, 40504), (166, 39040), (244, 26560), (256, 25315), (305, 21248), (320, 20252), (332, 19520), (415, 15616), (488, 13280), (610, 10624), (640, 10126), (664, 9760), (830, 7808), (976, 6640), (1220, 5312), (1280, 5063), (1328, 4880), (1660, 3904), (1952, 3320), (2440, 2656)]