90719720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24923}}^1$

素因数の和:24954

約数の個数: 64

約数和(自身を含む): 251233920

約数和(自身を除く): 160514200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 24923, 49846, 99692, 124615, 174461, 199384, 249230, 323999, 348922, 498460, 647998, 697844, 872305, 996920, 1295996, 1395688, 1619995, 1744610, 2267993, 2591992, 3239990, 3489220, 4535986, 6479980, 6978440, 9071972, 11339965, 12959960, 18143944, 22679930, 45359860, 90719720]

約数ペア:

[(1, 90719720), (2, 45359860), (4, 22679930), (5, 18143944), (7, 12959960), (8, 11339965), (10, 9071972), (13, 6978440), (14, 6479980), (20, 4535986), (26, 3489220), (28, 3239990), (35, 2591992), (40, 2267993), (52, 1744610), (56, 1619995), (65, 1395688), (70, 1295996), (91, 996920), (104, 872305), (130, 697844), (140, 647998), (182, 498460), (260, 348922), (280, 323999), (364, 249230), (455, 199384), (520, 174461), (728, 124615), (910, 99692), (1820, 49846), (3640, 24923)]