221711280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1156

約数の個数: 240

約数和(自身を含む): 847311840

約数和(自身を除く): 625600560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1109, 1176, 1190, 1360, 1428, 1470, 1666, 1680, 1785, 1904, 1960, 2040, 2218, 2352, 2380, 2499, 2856, 2940, 3327, 3332, 3570, 3920, 4080, 4165, 4436, 4760, 4998, 5545, 5712, 5880, 6654, 6664, 7140, 7763, 8330, 8872, 9520, 9996, 11090, 11760, 12495, 13308, 13328, 14280, 15526, 16635, 16660, 17744, 18853, 19992, 22180, 23289, 24990, 26616, 28560, 31052, 33270, 33320, 37706, 38815, 39984, 44360, 46578, 49980, 53232, 54341, 56559, 62104, 66540, 66640, 75412, 77630, 88720, 93156, 94265, 99960, 108682, 113118, 116445, 124208, 131971, 133080, 150824, 155260, 163023, 186312, 188530, 199920, 217364, 226236, 232890, 263942, 266160, 271705, 282795, 301648, 310520, 326046, 372624, 377060, 395913, 434728, 452472, 465780, 527884, 543410, 565590, 621040, 652092, 659855, 754120, 791826, 815115, 869456, 904944, 923797, 931560, 1055768, 1086820, 1131180, 1304184, 1319710, 1508240, 1583652, 1630230, 1847594, 1863120, 1979565, 2111536, 2173640, 2262360, 2608368, 2639420, 2771391, 3167304, 3260460, 3695188, 3959130, 4347280, 4524720, 4618985, 5278840, 5542782, 6334608, 6520920, 7390376, 7918260, 9237970, 10557680, 11085564, 13041840, 13856955, 14780752, 15836520, 18475940, 22171128, 27713910, 31673040, 36951880, 44342256, 55427820, 73903760, 110855640, 221711280]

約数ペア:

[(1, 221711280), (2, 110855640), (3, 73903760), (4, 55427820), (5, 44342256), (6, 36951880), (7, 31673040), (8, 27713910), (10, 22171128), (12, 18475940), (14, 15836520), (15, 14780752), (16, 13856955), (17, 13041840), (20, 11085564), (21, 10557680), (24, 9237970), (28, 7918260), (30, 7390376), (34, 6520920), (35, 6334608), (40, 5542782), (42, 5278840), (48, 4618985), (49, 4524720), (51, 4347280), (56, 3959130), (60, 3695188), (68, 3260460), (70, 3167304), (80, 2771391), (84, 2639420), (85, 2608368), (98, 2262360), (102, 2173640), (105, 2111536), (112, 1979565), (119, 1863120), (120, 1847594), (136, 1630230), (140, 1583652), (147, 1508240), (168, 1319710), (170, 1304184), (196, 1131180), (204, 1086820), (210, 1055768), (238, 931560), (240, 923797), (245, 904944), (255, 869456), (272, 815115), (280, 791826), (294, 754120), (336, 659855), (340, 652092), (357, 621040), (392, 565590), (408, 543410), (420, 527884), (476, 465780), (490, 452472), (510, 434728), (560, 395913), (588, 377060), (595, 372624), (680, 326046), (714, 310520), (735, 301648), (784, 282795), (816, 271705), (833, 266160), (840, 263942), (952, 232890), (980, 226236), (1020, 217364), (1109, 199920), (1176, 188530), (1190, 186312), (1360, 163023), (1428, 155260), (1470, 150824), (1666, 133080), (1680, 131971), (1785, 124208), (1904, 116445), (1960, 113118), (2040, 108682), (2218, 99960), (2352, 94265), (2380, 93156), (2499, 88720), (2856, 77630), (2940, 75412), (3327, 66640), (3332, 66540), (3570, 62104), (3920, 56559), (4080, 54341), (4165, 53232), (4436, 49980), (4760, 46578), (4998, 44360), (5545, 39984), (5712, 38815), (5880, 37706), (6654, 33320), (6664, 33270), (7140, 31052), (7763, 28560), (8330, 26616), (8872, 24990), (9520, 23289), (9996, 22180), (11090, 19992), (11760, 18853), (12495, 17744), (13308, 16660), (13328, 16635), (14280, 15526)]