16879720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 45061920

約数和(自身を除く): 28182200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 227, 260, 286, 338, 440, 454, 520, 572, 676, 715, 845, 908, 1135, 1144, 1352, 1430, 1690, 1816, 1859, 2270, 2497, 2860, 2951, 3380, 3718, 4540, 4994, 5720, 5902, 6760, 7436, 9080, 9295, 9988, 11804, 12485, 14755, 14872, 18590, 19976, 23608, 24970, 29510, 32461, 37180, 38363, 49940, 59020, 64922, 74360, 76726, 99880, 118040, 129844, 153452, 162305, 191815, 259688, 306904, 324610, 383630, 421993, 649220, 767260, 843986, 1298440, 1534520, 1687972, 2109965, 3375944, 4219930, 8439860, 16879720]

約数ペア:

[(1, 16879720), (2, 8439860), (4, 4219930), (5, 3375944), (8, 2109965), (10, 1687972), (11, 1534520), (13, 1298440), (20, 843986), (22, 767260), (26, 649220), (40, 421993), (44, 383630), (52, 324610), (55, 306904), (65, 259688), (88, 191815), (104, 162305), (110, 153452), (130, 129844), (143, 118040), (169, 99880), (220, 76726), (227, 74360), (260, 64922), (286, 59020), (338, 49940), (440, 38363), (454, 37180), (520, 32461), (572, 29510), (676, 24970), (715, 23608), (845, 19976), (908, 18590), (1135, 14872), (1144, 14755), (1352, 12485), (1430, 11804), (1690, 9988), (1816, 9295), (1859, 9080), (2270, 7436), (2497, 6760), (2860, 5902), (2951, 5720), (3380, 4994), (3718, 4540)]