64455040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 169989120

約数和(自身を除く): 105534080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 127, 128, 130, 160, 208, 244, 254, 260, 305, 320, 416, 488, 508, 520, 610, 635, 640, 793, 832, 976, 1016, 1040, 1220, 1270, 1586, 1651, 1664, 1952, 2032, 2080, 2440, 2540, 3172, 3302, 3904, 3965, 4064, 4160, 4880, 5080, 6344, 6604, 7747, 7808, 7930, 8128, 8255, 8320, 9760, 10160, 12688, 13208, 15494, 15860, 16256, 16510, 19520, 20320, 25376, 26416, 30988, 31720, 33020, 38735, 39040, 40640, 50752, 52832, 61976, 63440, 66040, 77470, 81280, 100711, 101504, 105664, 123952, 126880, 132080, 154940, 201422, 211328, 247904, 253760, 264160, 309880, 402844, 495808, 503555, 507520, 528320, 619760, 805688, 991616, 1007110, 1056640, 1239520, 1611376, 2014220, 2479040, 3222752, 4028440, 4958080, 6445504, 8056880, 12891008, 16113760, 32227520, 64455040]

約数ペア:

[(1, 64455040), (2, 32227520), (4, 16113760), (5, 12891008), (8, 8056880), (10, 6445504), (13, 4958080), (16, 4028440), (20, 3222752), (26, 2479040), (32, 2014220), (40, 1611376), (52, 1239520), (61, 1056640), (64, 1007110), (65, 991616), (80, 805688), (104, 619760), (122, 528320), (127, 507520), (128, 503555), (130, 495808), (160, 402844), (208, 309880), (244, 264160), (254, 253760), (260, 247904), (305, 211328), (320, 201422), (416, 154940), (488, 132080), (508, 126880), (520, 123952), (610, 105664), (635, 101504), (640, 100711), (793, 81280), (832, 77470), (976, 66040), (1016, 63440), (1040, 61976), (1220, 52832), (1270, 50752), (1586, 40640), (1651, 39040), (1664, 38735), (1952, 33020), (2032, 31720), (2080, 30988), (2440, 26416), (2540, 25376), (3172, 20320), (3302, 19520), (3904, 16510), (3965, 16256), (4064, 15860), (4160, 15494), (4880, 13208), (5080, 12688), (6344, 10160), (6604, 9760), (7747, 8320), (7808, 8255), (7930, 8128)]