64020720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4373}}^1$

素因数の和:4450

約数の個数: 80

約数和(自身を含む): 201763872

約数和(自身を除く): 137743152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4373, 4880, 7320, 8746, 13119, 14640, 17492, 21865, 26238, 34984, 43730, 52476, 65595, 69968, 87460, 104952, 131190, 174920, 209904, 262380, 266753, 349840, 524760, 533506, 800259, 1049520, 1067012, 1333765, 1600518, 2134024, 2667530, 3201036, 4001295, 4268048, 5335060, 6402072, 8002590, 10670120, 12804144, 16005180, 21340240, 32010360, 64020720]

約数ペア:

[(1, 64020720), (2, 32010360), (3, 21340240), (4, 16005180), (5, 12804144), (6, 10670120), (8, 8002590), (10, 6402072), (12, 5335060), (15, 4268048), (16, 4001295), (20, 3201036), (24, 2667530), (30, 2134024), (40, 1600518), (48, 1333765), (60, 1067012), (61, 1049520), (80, 800259), (120, 533506), (122, 524760), (183, 349840), (240, 266753), (244, 262380), (305, 209904), (366, 174920), (488, 131190), (610, 104952), (732, 87460), (915, 69968), (976, 65595), (1220, 52476), (1464, 43730), (1830, 34984), (2440, 26238), (2928, 21865), (3660, 17492), (4373, 14640), (4880, 13119), (7320, 8746)]