665761680

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1540

約数の個数: 240

約数和(自身を含む): 2421095040

約数和(自身を除く): 1755333360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 243, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 486, 540, 552, 621, 648, 690, 720, 810, 828, 920, 972, 1035, 1080, 1104, 1215, 1242, 1296, 1380, 1489, 1620, 1656, 1840, 1863, 1944, 2070, 2160, 2430, 2484, 2760, 2978, 3105, 3240, 3312, 3726, 3888, 4140, 4467, 4860, 4968, 5520, 5589, 5956, 6210, 6480, 7445, 7452, 8280, 8934, 9315, 9720, 9936, 11178, 11912, 12420, 13401, 14890, 14904, 16560, 17868, 18630, 19440, 22335, 22356, 23824, 24840, 26802, 27945, 29780, 29808, 34247, 35736, 37260, 40203, 44670, 44712, 49680, 53604, 55890, 59560, 67005, 68494, 71472, 74520, 80406, 89340, 89424, 102741, 107208, 111780, 119120, 120609, 134010, 136988, 149040, 160812, 171235, 178680, 201015, 205482, 214416, 223560, 241218, 268020, 273976, 308223, 321624, 342470, 357360, 361827, 402030, 410964, 447120, 482436, 513705, 536040, 547952, 603045, 616446, 643248, 684940, 723654, 804060, 821928, 924669, 964872, 1027410, 1072080, 1206090, 1232892, 1369880, 1447308, 1541115, 1608120, 1643856, 1809135, 1849338, 1929744, 2054820, 2412180, 2465784, 2739760, 2774007, 2894616, 3082230, 3216240, 3618270, 3698676, 4109640, 4623345, 4824360, 4931568, 5548014, 5789232, 6164460, 7236540, 7397352, 8219280, 8322021, 9246690, 9648720, 11096028, 12328920, 13870035, 14473080, 14794704, 16644042, 18493380, 22192056, 24657840, 27740070, 28946160, 33288084, 36986760, 41610105, 44384112, 55480140, 66576168, 73973520, 83220210, 110960280, 133152336, 166440420, 221920560, 332880840, 665761680]

約数ペア:

[(1, 665761680), (2, 332880840), (3, 221920560), (4, 166440420), (5, 133152336), (6, 110960280), (8, 83220210), (9, 73973520), (10, 66576168), (12, 55480140), (15, 44384112), (16, 41610105), (18, 36986760), (20, 33288084), (23, 28946160), (24, 27740070), (27, 24657840), (30, 22192056), (36, 18493380), (40, 16644042), (45, 14794704), (46, 14473080), (48, 13870035), (54, 12328920), (60, 11096028), (69, 9648720), (72, 9246690), (80, 8322021), (81, 8219280), (90, 7397352), (92, 7236540), (108, 6164460), (115, 5789232), (120, 5548014), (135, 4931568), (138, 4824360), (144, 4623345), (162, 4109640), (180, 3698676), (184, 3618270), (207, 3216240), (216, 3082230), (230, 2894616), (240, 2774007), (243, 2739760), (270, 2465784), (276, 2412180), (324, 2054820), (345, 1929744), (360, 1849338), (368, 1809135), (405, 1643856), (414, 1608120), (432, 1541115), (460, 1447308), (486, 1369880), (540, 1232892), (552, 1206090), (621, 1072080), (648, 1027410), (690, 964872), (720, 924669), (810, 821928), (828, 804060), (920, 723654), (972, 684940), (1035, 643248), (1080, 616446), (1104, 603045), (1215, 547952), (1242, 536040), (1296, 513705), (1380, 482436), (1489, 447120), (1620, 410964), (1656, 402030), (1840, 361827), (1863, 357360), (1944, 342470), (2070, 321624), (2160, 308223), (2430, 273976), (2484, 268020), (2760, 241218), (2978, 223560), (3105, 214416), (3240, 205482), (3312, 201015), (3726, 178680), (3888, 171235), (4140, 160812), (4467, 149040), (4860, 136988), (4968, 134010), (5520, 120609), (5589, 119120), (5956, 111780), (6210, 107208), (6480, 102741), (7445, 89424), (7452, 89340), (8280, 80406), (8934, 74520), (9315, 71472), (9720, 68494), (9936, 67005), (11178, 59560), (11912, 55890), (12420, 53604), (13401, 49680), (14890, 44712), (14904, 44670), (16560, 40203), (17868, 37260), (18630, 35736), (19440, 34247), (22335, 29808), (22356, 29780), (23824, 27945), (24840, 26802)]