82878880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73999}}^1$

素因数の和:74021

約数の個数: 48

約数和(自身を含む): 223776000

約数和(自身を除く): 140897120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 73999, 147998, 295996, 369995, 517993, 591992, 739990, 1035986, 1183984, 1479980, 2071972, 2367968, 2589965, 2959960, 4143944, 5179930, 5919920, 8287888, 10359860, 11839840, 16575776, 20719720, 41439440, 82878880]

約数ペア:

[(1, 82878880), (2, 41439440), (4, 20719720), (5, 16575776), (7, 11839840), (8, 10359860), (10, 8287888), (14, 5919920), (16, 5179930), (20, 4143944), (28, 2959960), (32, 2589965), (35, 2367968), (40, 2071972), (56, 1479980), (70, 1183984), (80, 1035986), (112, 739990), (140, 591992), (160, 517993), (224, 369995), (280, 295996), (560, 147998), (1120, 73999)]