320081520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:751

約数の個数: 160

約数和(自身を含む): 1088930304

約数和(自身を除く): 768848784

約数列:

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

約数ペア:

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