245988720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 869087232

約数和(自身を除く): 623098512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 103, 107, 120, 124, 144, 155, 180, 186, 206, 214, 240, 248, 279, 309, 310, 321, 360, 372, 412, 428, 465, 496, 515, 535, 558, 618, 620, 642, 720, 744, 824, 856, 927, 930, 963, 1030, 1070, 1116, 1236, 1240, 1284, 1395, 1488, 1545, 1605, 1648, 1712, 1854, 1860, 1926, 2060, 2140, 2232, 2472, 2480, 2568, 2790, 3090, 3193, 3210, 3317, 3708, 3720, 3852, 4120, 4280, 4464, 4635, 4815, 4944, 5136, 5580, 6180, 6386, 6420, 6634, 7416, 7440, 7704, 8240, 8560, 9270, 9579, 9630, 9951, 11021, 11160, 12360, 12772, 12840, 13268, 14832, 15408, 15965, 16585, 18540, 19158, 19260, 19902, 22042, 22320, 24720, 25544, 25680, 26536, 28737, 29853, 31930, 33063, 33170, 37080, 38316, 38520, 39804, 44084, 47895, 49755, 51088, 53072, 55105, 57474, 59706, 63860, 66126, 66340, 74160, 76632, 77040, 79608, 88168, 95790, 99189, 99510, 110210, 114948, 119412, 127720, 132252, 132680, 143685, 149265, 153264, 159216, 165315, 176336, 191580, 198378, 199020, 220420, 229896, 238824, 255440, 264504, 265360, 287370, 298530, 330630, 341651, 383160, 396756, 398040, 440840, 459792, 477648, 495945, 529008, 574740, 597060, 661260, 683302, 766320, 793512, 796080, 881680, 991890, 1024953, 1149480, 1194120, 1322520, 1366604, 1587024, 1708255, 1983780, 2049906, 2298960, 2388240, 2645040, 2733208, 3074859, 3416510, 3967560, 4099812, 5124765, 5466416, 6149718, 6833020, 7935120, 8199624, 10249530, 12299436, 13666040, 15374295, 16399248, 20499060, 24598872, 27332080, 30748590, 40998120, 49197744, 61497180, 81996240, 122994360, 245988720]

約数ペア:

[(1, 245988720), (2, 122994360), (3, 81996240), (4, 61497180), (5, 49197744), (6, 40998120), (8, 30748590), (9, 27332080), (10, 24598872), (12, 20499060), (15, 16399248), (16, 15374295), (18, 13666040), (20, 12299436), (24, 10249530), (30, 8199624), (31, 7935120), (36, 6833020), (40, 6149718), (45, 5466416), (48, 5124765), (60, 4099812), (62, 3967560), (72, 3416510), (80, 3074859), (90, 2733208), (93, 2645040), (103, 2388240), (107, 2298960), (120, 2049906), (124, 1983780), (144, 1708255), (155, 1587024), (180, 1366604), (186, 1322520), (206, 1194120), (214, 1149480), (240, 1024953), (248, 991890), (279, 881680), (309, 796080), (310, 793512), (321, 766320), (360, 683302), (372, 661260), (412, 597060), (428, 574740), (465, 529008), (496, 495945), (515, 477648), (535, 459792), (558, 440840), (618, 398040), (620, 396756), (642, 383160), (720, 341651), (744, 330630), (824, 298530), (856, 287370), (927, 265360), (930, 264504), (963, 255440), (1030, 238824), (1070, 229896), (1116, 220420), (1236, 199020), (1240, 198378), (1284, 191580), (1395, 176336), (1488, 165315), (1545, 159216), (1605, 153264), (1648, 149265), (1712, 143685), (1854, 132680), (1860, 132252), (1926, 127720), (2060, 119412), (2140, 114948), (2232, 110210), (2472, 99510), (2480, 99189), (2568, 95790), (2790, 88168), (3090, 79608), (3193, 77040), (3210, 76632), (3317, 74160), (3708, 66340), (3720, 66126), (3852, 63860), (4120, 59706), (4280, 57474), (4464, 55105), (4635, 53072), (4815, 51088), (4944, 49755), (5136, 47895), (5580, 44084), (6180, 39804), (6386, 38520), (6420, 38316), (6634, 37080), (7416, 33170), (7440, 33063), (7704, 31930), (8240, 29853), (8560, 28737), (9270, 26536), (9579, 25680), (9630, 25544), (9951, 24720), (11021, 22320), (11160, 22042), (12360, 19902), (12772, 19260), (12840, 19158), (13268, 18540), (14832, 16585), (15408, 15965)]