28982520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 115240320

約数和(自身を除く): 86257800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 49, 53, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 106, 120, 124, 126, 140, 147, 155, 159, 168, 180, 186, 196, 210, 212, 217, 245, 248, 252, 265, 279, 280, 294, 310, 315, 318, 360, 371, 372, 392, 420, 424, 434, 441, 465, 477, 490, 504, 530, 558, 588, 620, 630, 636, 651, 735, 742, 744, 795, 840, 868, 882, 930, 954, 980, 1060, 1085, 1113, 1116, 1176, 1240, 1260, 1272, 1302, 1395, 1470, 1484, 1519, 1590, 1643, 1736, 1764, 1855, 1860, 1908, 1953, 1960, 2120, 2170, 2205, 2226, 2232, 2385, 2520, 2597, 2604, 2790, 2940, 2968, 3038, 3180, 3255, 3286, 3339, 3528, 3710, 3720, 3816, 3906, 4340, 4410, 4452, 4557, 4770, 4929, 5194, 5208, 5565, 5580, 5880, 6076, 6360, 6510, 6572, 6678, 7420, 7595, 7791, 7812, 8215, 8680, 8820, 8904, 9114, 9540, 9765, 9858, 10388, 11130, 11160, 11501, 12152, 12985, 13020, 13144, 13356, 13671, 14787, 14840, 15190, 15582, 15624, 16430, 16695, 17640, 18228, 19080, 19530, 19716, 20776, 22260, 22785, 23002, 23373, 24645, 25970, 26040, 26712, 27342, 29574, 30380, 31164, 32860, 33390, 34503, 36456, 38955, 39060, 39432, 44520, 45570, 46004, 46746, 49290, 51940, 54684, 57505, 59148, 60760, 62328, 65720, 66780, 68355, 69006, 73935, 77910, 78120, 80507, 91140, 92008, 93492, 98580, 103509, 103880, 109368, 115010, 116865, 118296, 133560, 136710, 138012, 147870, 155820, 161014, 172515, 182280, 186984, 197160, 207018, 230020, 233730, 241521, 273420, 276024, 295740, 311640, 322028, 345030, 402535, 414036, 460040, 467460, 483042, 517545, 546840, 591480, 644056, 690060, 724563, 805070, 828072, 934920, 966084, 1035090, 1207605, 1380120, 1449126, 1610140, 1932168, 2070180, 2415210, 2898252, 3220280, 3622815, 4140360, 4830420, 5796504, 7245630, 9660840, 14491260, 28982520]

約数ペア:

[(1, 28982520), (2, 14491260), (3, 9660840), (4, 7245630), (5, 5796504), (6, 4830420), (7, 4140360), (8, 3622815), (9, 3220280), (10, 2898252), (12, 2415210), (14, 2070180), (15, 1932168), (18, 1610140), (20, 1449126), (21, 1380120), (24, 1207605), (28, 1035090), (30, 966084), (31, 934920), (35, 828072), (36, 805070), (40, 724563), (42, 690060), (45, 644056), (49, 591480), (53, 546840), (56, 517545), (60, 483042), (62, 467460), (63, 460040), (70, 414036), (72, 402535), (84, 345030), (90, 322028), (93, 311640), (98, 295740), (105, 276024), (106, 273420), (120, 241521), (124, 233730), (126, 230020), (140, 207018), (147, 197160), (155, 186984), (159, 182280), (168, 172515), (180, 161014), (186, 155820), (196, 147870), (210, 138012), (212, 136710), (217, 133560), (245, 118296), (248, 116865), (252, 115010), (265, 109368), (279, 103880), (280, 103509), (294, 98580), (310, 93492), (315, 92008), (318, 91140), (360, 80507), (371, 78120), (372, 77910), (392, 73935), (420, 69006), (424, 68355), (434, 66780), (441, 65720), (465, 62328), (477, 60760), (490, 59148), (504, 57505), (530, 54684), (558, 51940), (588, 49290), (620, 46746), (630, 46004), (636, 45570), (651, 44520), (735, 39432), (742, 39060), (744, 38955), (795, 36456), (840, 34503), (868, 33390), (882, 32860), (930, 31164), (954, 30380), (980, 29574), (1060, 27342), (1085, 26712), (1113, 26040), (1116, 25970), (1176, 24645), (1240, 23373), (1260, 23002), (1272, 22785), (1302, 22260), (1395, 20776), (1470, 19716), (1484, 19530), (1519, 19080), (1590, 18228), (1643, 17640), (1736, 16695), (1764, 16430), (1855, 15624), (1860, 15582), (1908, 15190), (1953, 14840), (1960, 14787), (2120, 13671), (2170, 13356), (2205, 13144), (2226, 13020), (2232, 12985), (2385, 12152), (2520, 11501), (2597, 11160), (2604, 11130), (2790, 10388), (2940, 9858), (2968, 9765), (3038, 9540), (3180, 9114), (3255, 8904), (3286, 8820), (3339, 8680), (3528, 8215), (3710, 7812), (3720, 7791), (3816, 7595), (3906, 7420), (4340, 6678), (4410, 6572), (4452, 6510), (4557, 6360), (4770, 6076), (4929, 5880), (5194, 5580), (5208, 5565)]