249228840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 256

約数和(自身を含む): 935608320

約数和(自身を除く): 686379480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 31, 34, 35, 40, 42, 51, 56, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 120, 124, 136, 140, 155, 168, 170, 186, 204, 210, 217, 238, 248, 255, 280, 310, 340, 357, 372, 408, 420, 434, 465, 476, 510, 527, 563, 595, 620, 651, 680, 714, 744, 840, 868, 930, 952, 1020, 1054, 1085, 1126, 1190, 1240, 1302, 1428, 1581, 1689, 1736, 1785, 1860, 2040, 2108, 2170, 2252, 2380, 2604, 2635, 2815, 2856, 3162, 3255, 3378, 3570, 3689, 3720, 3941, 4216, 4340, 4504, 4760, 5208, 5270, 5630, 6324, 6510, 6756, 7140, 7378, 7882, 7905, 8445, 8680, 9571, 10540, 11067, 11260, 11823, 12648, 13020, 13512, 14280, 14756, 15764, 15810, 16890, 17453, 18445, 19142, 19705, 21080, 22134, 22520, 23646, 26040, 28713, 29512, 31528, 31620, 33780, 34906, 36890, 38284, 39410, 44268, 47292, 47855, 52359, 55335, 57426, 59115, 63240, 66997, 67560, 69812, 73780, 76568, 78820, 87265, 88536, 94584, 95710, 104718, 110670, 114852, 118230, 122171, 133994, 139624, 143565, 147560, 157640, 174530, 191420, 200991, 209436, 221340, 229704, 236460, 244342, 261795, 267988, 287130, 296701, 334985, 349060, 366513, 382840, 401982, 418872, 442680, 472920, 488684, 523590, 535976, 574260, 593402, 610855, 669970, 698120, 733026, 803964, 890103, 977368, 1004955, 1047180, 1148520, 1186804, 1221710, 1339940, 1466052, 1483505, 1607928, 1780206, 1832565, 2009910, 2076907, 2094360, 2373608, 2443420, 2679880, 2932104, 2967010, 3560412, 3665130, 4019820, 4153814, 4450515, 4886840, 5934020, 6230721, 7120824, 7330260, 8039640, 8307628, 8901030, 10384535, 11868040, 12461442, 14660520, 16615256, 17802060, 20769070, 24922884, 31153605, 35604120, 41538140, 49845768, 62307210, 83076280, 124614420, 249228840]

約数ペア:

[(1, 249228840), (2, 124614420), (3, 83076280), (4, 62307210), (5, 49845768), (6, 41538140), (7, 35604120), (8, 31153605), (10, 24922884), (12, 20769070), (14, 17802060), (15, 16615256), (17, 14660520), (20, 12461442), (21, 11868040), (24, 10384535), (28, 8901030), (30, 8307628), (31, 8039640), (34, 7330260), (35, 7120824), (40, 6230721), (42, 5934020), (51, 4886840), (56, 4450515), (60, 4153814), (62, 4019820), (68, 3665130), (70, 3560412), (84, 2967010), (85, 2932104), (93, 2679880), (102, 2443420), (105, 2373608), (119, 2094360), (120, 2076907), (124, 2009910), (136, 1832565), (140, 1780206), (155, 1607928), (168, 1483505), (170, 1466052), (186, 1339940), (204, 1221710), (210, 1186804), (217, 1148520), (238, 1047180), (248, 1004955), (255, 977368), (280, 890103), (310, 803964), (340, 733026), (357, 698120), (372, 669970), (408, 610855), (420, 593402), (434, 574260), (465, 535976), (476, 523590), (510, 488684), (527, 472920), (563, 442680), (595, 418872), (620, 401982), (651, 382840), (680, 366513), (714, 349060), (744, 334985), (840, 296701), (868, 287130), (930, 267988), (952, 261795), (1020, 244342), (1054, 236460), (1085, 229704), (1126, 221340), (1190, 209436), (1240, 200991), (1302, 191420), (1428, 174530), (1581, 157640), (1689, 147560), (1736, 143565), (1785, 139624), (1860, 133994), (2040, 122171), (2108, 118230), (2170, 114852), (2252, 110670), (2380, 104718), (2604, 95710), (2635, 94584), (2815, 88536), (2856, 87265), (3162, 78820), (3255, 76568), (3378, 73780), (3570, 69812), (3689, 67560), (3720, 66997), (3941, 63240), (4216, 59115), (4340, 57426), (4504, 55335), (4760, 52359), (5208, 47855), (5270, 47292), (5630, 44268), (6324, 39410), (6510, 38284), (6756, 36890), (7140, 34906), (7378, 33780), (7882, 31620), (7905, 31528), (8445, 29512), (8680, 28713), (9571, 26040), (10540, 23646), (11067, 22520), (11260, 22134), (11823, 21080), (12648, 19705), (13020, 19142), (13512, 18445), (14280, 17453), (14756, 16890), (15764, 15810)]