221473280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:774

約数の個数: 160

約数和(自身を含む): 643458816

約数和(自身を除く): 421985536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 727, 896, 952, 1088, 1120, 1190, 1280, 1360, 1454, 1792, 1904, 2176, 2240, 2380, 2560, 2720, 2908, 3584, 3635, 3808, 4352, 4480, 4760, 5089, 5440, 5816, 7270, 7616, 8704, 8960, 9520, 10178, 10880, 11632, 12359, 14540, 15232, 17920, 19040, 20356, 21760, 23264, 24718, 25445, 29080, 30464, 38080, 40712, 43520, 46528, 49436, 50890, 58160, 60928, 61795, 76160, 81424, 86513, 93056, 98872, 101780, 116320, 123590, 152320, 162848, 173026, 186112, 197744, 203560, 232640, 247180, 304640, 325696, 346052, 372224, 395488, 407120, 432565, 465280, 494360, 651392, 692104, 790976, 814240, 865130, 930560, 988720, 1302784, 1384208, 1581952, 1628480, 1730260, 1861120, 1977440, 2605568, 2768416, 3163904, 3256960, 3460520, 3954880, 5536832, 6327808, 6513920, 6921040, 7909760, 11073664, 13027840, 13842080, 15819520, 22147328, 27684160, 31639040, 44294656, 55368320, 110736640, 221473280]

約数ペア:

[(1, 221473280), (2, 110736640), (4, 55368320), (5, 44294656), (7, 31639040), (8, 27684160), (10, 22147328), (14, 15819520), (16, 13842080), (17, 13027840), (20, 11073664), (28, 7909760), (32, 6921040), (34, 6513920), (35, 6327808), (40, 5536832), (56, 3954880), (64, 3460520), (68, 3256960), (70, 3163904), (80, 2768416), (85, 2605568), (112, 1977440), (119, 1861120), (128, 1730260), (136, 1628480), (140, 1581952), (160, 1384208), (170, 1302784), (224, 988720), (238, 930560), (256, 865130), (272, 814240), (280, 790976), (320, 692104), (340, 651392), (448, 494360), (476, 465280), (512, 432565), (544, 407120), (560, 395488), (595, 372224), (640, 346052), (680, 325696), (727, 304640), (896, 247180), (952, 232640), (1088, 203560), (1120, 197744), (1190, 186112), (1280, 173026), (1360, 162848), (1454, 152320), (1792, 123590), (1904, 116320), (2176, 101780), (2240, 98872), (2380, 93056), (2560, 86513), (2720, 81424), (2908, 76160), (3584, 61795), (3635, 60928), (3808, 58160), (4352, 50890), (4480, 49436), (4760, 46528), (5089, 43520), (5440, 40712), (5816, 38080), (7270, 30464), (7616, 29080), (8704, 25445), (8960, 24718), (9520, 23264), (10178, 21760), (10880, 20356), (11632, 19040), (12359, 17920), (14540, 15232)]