161459820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30931}}^1$

素因数の和:30975

約数の個数: 72

約数和(自身を含む): 506666160

約数和(自身を除く): 345206340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 30931, 61862, 92793, 123724, 154655, 185586, 278379, 309310, 371172, 463965, 556758, 618620, 896999, 927930, 1113516, 1391895, 1793998, 1855860, 2690997, 2783790, 3587996, 4484995, 5381994, 5567580, 8072991, 8969990, 10763988, 13454985, 16145982, 17939980, 26909970, 32291964, 40364955, 53819940, 80729910, 161459820]

約数ペア:

[(1, 161459820), (2, 80729910), (3, 53819940), (4, 40364955), (5, 32291964), (6, 26909970), (9, 17939980), (10, 16145982), (12, 13454985), (15, 10763988), (18, 8969990), (20, 8072991), (29, 5567580), (30, 5381994), (36, 4484995), (45, 3587996), (58, 2783790), (60, 2690997), (87, 1855860), (90, 1793998), (116, 1391895), (145, 1113516), (174, 927930), (180, 896999), (261, 618620), (290, 556758), (348, 463965), (435, 371172), (522, 309310), (580, 278379), (870, 185586), (1044, 154655), (1305, 123724), (1740, 92793), (2610, 61862), (5220, 30931)]