278790720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 224

約数和(自身を含む): 967800960

約数和(自身を除く): 689010240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 89, 96, 104, 120, 130, 156, 160, 178, 192, 195, 208, 240, 251, 260, 267, 312, 320, 356, 390, 416, 445, 480, 502, 520, 534, 624, 712, 753, 780, 832, 890, 960, 1004, 1040, 1068, 1157, 1248, 1255, 1335, 1424, 1506, 1560, 1780, 2008, 2080, 2136, 2314, 2496, 2510, 2670, 2848, 3012, 3120, 3263, 3471, 3560, 3765, 4016, 4160, 4272, 4628, 5020, 5340, 5696, 5785, 6024, 6240, 6526, 6942, 7120, 7530, 8032, 8544, 9256, 9789, 10040, 10680, 11570, 12048, 12480, 13052, 13884, 14240, 15060, 16064, 16315, 17088, 17355, 18512, 19578, 20080, 21360, 22339, 23140, 24096, 26104, 27768, 28480, 30120, 32630, 34710, 37024, 39156, 40160, 42720, 44678, 46280, 48192, 48945, 52208, 55536, 60240, 65260, 67017, 69420, 74048, 78312, 80320, 85440, 89356, 92560, 97890, 104416, 111072, 111695, 120480, 130520, 134034, 138840, 156624, 178712, 185120, 195780, 208832, 222144, 223390, 240960, 261040, 268068, 277680, 290407, 313248, 335085, 357424, 370240, 391560, 446780, 522080, 536136, 555360, 580814, 626496, 670170, 714848, 783120, 871221, 893560, 1044160, 1072272, 1110720, 1161628, 1340340, 1429696, 1452035, 1566240, 1742442, 1787120, 2144544, 2323256, 2680680, 2904070, 3132480, 3484884, 3574240, 4289088, 4356105, 4646512, 5361360, 5808140, 6969768, 7148480, 8712210, 9293024, 10722720, 11616280, 13939536, 17424420, 18586048, 21445440, 23232560, 27879072, 34848840, 46465120, 55758144, 69697680, 92930240, 139395360, 278790720]

約数ペア:

[(1, 278790720), (2, 139395360), (3, 92930240), (4, 69697680), (5, 55758144), (6, 46465120), (8, 34848840), (10, 27879072), (12, 23232560), (13, 21445440), (15, 18586048), (16, 17424420), (20, 13939536), (24, 11616280), (26, 10722720), (30, 9293024), (32, 8712210), (39, 7148480), (40, 6969768), (48, 5808140), (52, 5361360), (60, 4646512), (64, 4356105), (65, 4289088), (78, 3574240), (80, 3484884), (89, 3132480), (96, 2904070), (104, 2680680), (120, 2323256), (130, 2144544), (156, 1787120), (160, 1742442), (178, 1566240), (192, 1452035), (195, 1429696), (208, 1340340), (240, 1161628), (251, 1110720), (260, 1072272), (267, 1044160), (312, 893560), (320, 871221), (356, 783120), (390, 714848), (416, 670170), (445, 626496), (480, 580814), (502, 555360), (520, 536136), (534, 522080), (624, 446780), (712, 391560), (753, 370240), (780, 357424), (832, 335085), (890, 313248), (960, 290407), (1004, 277680), (1040, 268068), (1068, 261040), (1157, 240960), (1248, 223390), (1255, 222144), (1335, 208832), (1424, 195780), (1506, 185120), (1560, 178712), (1780, 156624), (2008, 138840), (2080, 134034), (2136, 130520), (2314, 120480), (2496, 111695), (2510, 111072), (2670, 104416), (2848, 97890), (3012, 92560), (3120, 89356), (3263, 85440), (3471, 80320), (3560, 78312), (3765, 74048), (4016, 69420), (4160, 67017), (4272, 65260), (4628, 60240), (5020, 55536), (5340, 52208), (5696, 48945), (5785, 48192), (6024, 46280), (6240, 44678), (6526, 42720), (6942, 40160), (7120, 39156), (7530, 37024), (8032, 34710), (8544, 32630), (9256, 30120), (9789, 28480), (10040, 27768), (10680, 26104), (11570, 24096), (12048, 23140), (12480, 22339), (13052, 21360), (13884, 20080), (14240, 19578), (15060, 18512), (16064, 17355), (16315, 17088)]