1271919880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5657}}^1$

素因数の和:5759

約数の個数: 128

約数和(自身を含む): 3617498880

約数和(自身を除く): 2345579000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 110, 140, 146, 154, 220, 280, 292, 308, 365, 385, 440, 511, 584, 616, 730, 770, 803, 1022, 1460, 1540, 1606, 2044, 2555, 2920, 3080, 3212, 4015, 4088, 5110, 5621, 5657, 6424, 8030, 10220, 11242, 11314, 16060, 20440, 22484, 22628, 28105, 28285, 32120, 39599, 44968, 45256, 56210, 56570, 62227, 79198, 112420, 113140, 124454, 158396, 197995, 224840, 226280, 248908, 311135, 316792, 395990, 412961, 435589, 497816, 622270, 791980, 825922, 871178, 1244540, 1583960, 1651844, 1742356, 2064805, 2177945, 2489080, 2890727, 3303688, 3484712, 4129610, 4355890, 4542571, 5781454, 8259220, 8711780, 9085142, 11562908, 14453635, 16518440, 17423560, 18170284, 22712855, 23125816, 28907270, 31797997, 36340568, 45425710, 57814540, 63595994, 90851420, 115629080, 127191988, 158989985, 181702840, 254383976, 317979970, 635959940, 1271919880]

約数ペア:

[(1, 1271919880), (2, 635959940), (4, 317979970), (5, 254383976), (7, 181702840), (8, 158989985), (10, 127191988), (11, 115629080), (14, 90851420), (20, 63595994), (22, 57814540), (28, 45425710), (35, 36340568), (40, 31797997), (44, 28907270), (55, 23125816), (56, 22712855), (70, 18170284), (73, 17423560), (77, 16518440), (88, 14453635), (110, 11562908), (140, 9085142), (146, 8711780), (154, 8259220), (220, 5781454), (280, 4542571), (292, 4355890), (308, 4129610), (365, 3484712), (385, 3303688), (440, 2890727), (511, 2489080), (584, 2177945), (616, 2064805), (730, 1742356), (770, 1651844), (803, 1583960), (1022, 1244540), (1460, 871178), (1540, 825922), (1606, 791980), (2044, 622270), (2555, 497816), (2920, 435589), (3080, 412961), (3212, 395990), (4015, 316792), (4088, 311135), (5110, 248908), (5621, 226280), (5657, 224840), (6424, 197995), (8030, 158396), (10220, 124454), (11242, 113140), (11314, 112420), (16060, 79198), (20440, 62227), (22484, 56570), (22628, 56210), (28105, 45256), (28285, 44968), (32120, 39599)]