81359640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25111}}^1$

素因数の和:25134

約数の個数: 80

約数和(自身を含む): 273469680

約数和(自身を除く): 192110040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25111, 50222, 75333, 100444, 125555, 150666, 200888, 225999, 251110, 301332, 376665, 451998, 502220, 602664, 677997, 753330, 903996, 1004440, 1129995, 1355994, 1506660, 1807992, 2033991, 2259990, 2711988, 3013320, 3389985, 4067982, 4519980, 5423976, 6779970, 8135964, 9039960, 10169955, 13559940, 16271928, 20339910, 27119880, 40679820, 81359640]

約数ペア:

[(1, 81359640), (2, 40679820), (3, 27119880), (4, 20339910), (5, 16271928), (6, 13559940), (8, 10169955), (9, 9039960), (10, 8135964), (12, 6779970), (15, 5423976), (18, 4519980), (20, 4067982), (24, 3389985), (27, 3013320), (30, 2711988), (36, 2259990), (40, 2033991), (45, 1807992), (54, 1506660), (60, 1355994), (72, 1129995), (81, 1004440), (90, 903996), (108, 753330), (120, 677997), (135, 602664), (162, 502220), (180, 451998), (216, 376665), (270, 301332), (324, 251110), (360, 225999), (405, 200888), (540, 150666), (648, 125555), (810, 100444), (1080, 75333), (1620, 50222), (3240, 25111)]