640163040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:753

約数の個数: 192

約数和(自身を含む): 2212987392

約数和(自身を除く): 1572824352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 263, 264, 330, 352, 440, 461, 480, 526, 528, 660, 789, 880, 922, 1052, 1056, 1315, 1320, 1383, 1578, 1760, 1844, 2104, 2305, 2630, 2640, 2766, 2893, 3156, 3688, 3945, 4208, 4610, 5071, 5260, 5280, 5532, 5786, 6312, 6915, 7376, 7890, 8416, 8679, 9220, 10142, 10520, 11064, 11572, 12624, 13830, 14465, 14752, 15213, 15780, 17358, 18440, 20284, 21040, 22128, 23144, 25248, 25355, 27660, 28930, 30426, 31560, 34716, 36880, 40568, 42080, 43395, 44256, 46288, 50710, 55320, 57860, 60852, 63120, 69432, 73760, 76065, 81136, 86790, 92576, 101420, 110640, 115720, 121243, 121704, 126240, 138864, 152130, 162272, 173580, 202840, 221280, 231440, 242486, 243408, 277728, 304260, 347160, 363729, 405680, 462880, 484972, 486816, 606215, 608520, 694320, 727458, 811360, 969944, 1212430, 1217040, 1333673, 1388640, 1454916, 1818645, 1939888, 2424860, 2434080, 2667346, 2909832, 3637290, 3879776, 4001019, 4849720, 5334692, 5819664, 6668365, 7274580, 8002038, 9699440, 10669384, 11639328, 13336730, 14549160, 16004076, 19398880, 20005095, 21338768, 26673460, 29098320, 32008152, 40010190, 42677536, 53346920, 58196640, 64016304, 80020380, 106693840, 128032608, 160040760, 213387680, 320081520, 640163040]

約数ペア:

[(1, 640163040), (2, 320081520), (3, 213387680), (4, 160040760), (5, 128032608), (6, 106693840), (8, 80020380), (10, 64016304), (11, 58196640), (12, 53346920), (15, 42677536), (16, 40010190), (20, 32008152), (22, 29098320), (24, 26673460), (30, 21338768), (32, 20005095), (33, 19398880), (40, 16004076), (44, 14549160), (48, 13336730), (55, 11639328), (60, 10669384), (66, 9699440), (80, 8002038), (88, 7274580), (96, 6668365), (110, 5819664), (120, 5334692), (132, 4849720), (160, 4001019), (165, 3879776), (176, 3637290), (220, 2909832), (240, 2667346), (263, 2434080), (264, 2424860), (330, 1939888), (352, 1818645), (440, 1454916), (461, 1388640), (480, 1333673), (526, 1217040), (528, 1212430), (660, 969944), (789, 811360), (880, 727458), (922, 694320), (1052, 608520), (1056, 606215), (1315, 486816), (1320, 484972), (1383, 462880), (1578, 405680), (1760, 363729), (1844, 347160), (2104, 304260), (2305, 277728), (2630, 243408), (2640, 242486), (2766, 231440), (2893, 221280), (3156, 202840), (3688, 173580), (3945, 162272), (4208, 152130), (4610, 138864), (5071, 126240), (5260, 121704), (5280, 121243), (5532, 115720), (5786, 110640), (6312, 101420), (6915, 92576), (7376, 86790), (7890, 81136), (8416, 76065), (8679, 73760), (9220, 69432), (10142, 63120), (10520, 60852), (11064, 57860), (11572, 55320), (12624, 50710), (13830, 46288), (14465, 44256), (14752, 43395), (15213, 42080), (15780, 40568), (17358, 36880), (18440, 34716), (20284, 31560), (21040, 30426), (22128, 28930), (23144, 27660), (25248, 25355)]