64806400

素因数分解:

$2^9\times 5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 120

約数和(自身を含む): 165161304

約数和(自身を除く): 100354904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 83, 100, 122, 128, 160, 166, 200, 244, 256, 305, 320, 332, 400, 415, 488, 512, 610, 640, 664, 800, 830, 976, 1220, 1280, 1328, 1525, 1600, 1660, 1952, 2075, 2440, 2560, 2656, 3050, 3200, 3320, 3904, 4150, 4880, 5063, 5312, 6100, 6400, 6640, 7808, 8300, 9760, 10126, 10624, 12200, 12800, 13280, 15616, 16600, 19520, 20252, 21248, 24400, 25315, 26560, 31232, 33200, 39040, 40504, 42496, 48800, 50630, 53120, 66400, 78080, 81008, 97600, 101260, 106240, 126575, 132800, 156160, 162016, 195200, 202520, 212480, 253150, 265600, 324032, 390400, 405040, 506300, 531200, 648064, 780800, 810080, 1012600, 1062400, 1296128, 1620160, 2025200, 2592256, 3240320, 4050400, 6480640, 8100800, 12961280, 16201600, 32403200, 64806400]

約数ペア:

[(1, 64806400), (2, 32403200), (4, 16201600), (5, 12961280), (8, 8100800), (10, 6480640), (16, 4050400), (20, 3240320), (25, 2592256), (32, 2025200), (40, 1620160), (50, 1296128), (61, 1062400), (64, 1012600), (80, 810080), (83, 780800), (100, 648064), (122, 531200), (128, 506300), (160, 405040), (166, 390400), (200, 324032), (244, 265600), (256, 253150), (305, 212480), (320, 202520), (332, 195200), (400, 162016), (415, 156160), (488, 132800), (512, 126575), (610, 106240), (640, 101260), (664, 97600), (800, 81008), (830, 78080), (976, 66400), (1220, 53120), (1280, 50630), (1328, 48800), (1525, 42496), (1600, 40504), (1660, 39040), (1952, 33200), (2075, 31232), (2440, 26560), (2560, 25315), (2656, 24400), (3050, 21248), (3200, 20252), (3320, 19520), (3904, 16600), (4150, 15616), (4880, 13280), (5063, 12800), (5312, 12200), (6100, 10624), (6400, 10126), (6640, 9760), (7808, 8300)]