861021280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24799}}^1$

素因数の和:24852

約数の個数: 96

約数和(自身を含む): 2399846400

約数和(自身を除く): 1538825120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 24799, 34720, 49598, 99196, 123995, 173593, 198392, 247990, 347186, 396784, 495980, 694372, 768769, 793568, 867965, 991960, 1388744, 1537538, 1735930, 1983920, 2777488, 3075076, 3471860, 3843845, 3967840, 5381383, 5554976, 6150152, 6943720, 7687690, 10762766, 12300304, 13887440, 15375380, 21525532, 24600608, 26906915, 27774880, 30750760, 43051064, 53813830, 61501520, 86102128, 107627660, 123003040, 172204256, 215255320, 430510640, 861021280]

約数ペア:

[(1, 861021280), (2, 430510640), (4, 215255320), (5, 172204256), (7, 123003040), (8, 107627660), (10, 86102128), (14, 61501520), (16, 53813830), (20, 43051064), (28, 30750760), (31, 27774880), (32, 26906915), (35, 24600608), (40, 21525532), (56, 15375380), (62, 13887440), (70, 12300304), (80, 10762766), (112, 7687690), (124, 6943720), (140, 6150152), (155, 5554976), (160, 5381383), (217, 3967840), (224, 3843845), (248, 3471860), (280, 3075076), (310, 2777488), (434, 1983920), (496, 1735930), (560, 1537538), (620, 1388744), (868, 991960), (992, 867965), (1085, 793568), (1120, 768769), (1240, 694372), (1736, 495980), (2170, 396784), (2480, 347186), (3472, 247990), (4340, 198392), (4960, 173593), (6944, 123995), (8680, 99196), (17360, 49598), (24799, 34720)]