90255880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 246758400

約数和(自身を除く): 156502520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 509, 520, 572, 620, 682, 715, 806, 1018, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2036, 2545, 2728, 2860, 3224, 3410, 4030, 4072, 4433, 5090, 5599, 5720, 6617, 6820, 8060, 8866, 10180, 11198, 13234, 13640, 15779, 16120, 17732, 20360, 22165, 22396, 26468, 27995, 31558, 33085, 35464, 44330, 44792, 52936, 55990, 63116, 66170, 72787, 78895, 88660, 111980, 126232, 132340, 145574, 157790, 173569, 177320, 205127, 223960, 264680, 291148, 315580, 347138, 363935, 410254, 582296, 631160, 694276, 727870, 820508, 867845, 1025635, 1388552, 1455740, 1641016, 1735690, 2051270, 2256397, 2911480, 3471380, 4102540, 4512794, 6942760, 8205080, 9025588, 11281985, 18051176, 22563970, 45127940, 90255880]

約数ペア:

[(1, 90255880), (2, 45127940), (4, 22563970), (5, 18051176), (8, 11281985), (10, 9025588), (11, 8205080), (13, 6942760), (20, 4512794), (22, 4102540), (26, 3471380), (31, 2911480), (40, 2256397), (44, 2051270), (52, 1735690), (55, 1641016), (62, 1455740), (65, 1388552), (88, 1025635), (104, 867845), (110, 820508), (124, 727870), (130, 694276), (143, 631160), (155, 582296), (220, 410254), (248, 363935), (260, 347138), (286, 315580), (310, 291148), (341, 264680), (403, 223960), (440, 205127), (509, 177320), (520, 173569), (572, 157790), (620, 145574), (682, 132340), (715, 126232), (806, 111980), (1018, 88660), (1144, 78895), (1240, 72787), (1364, 66170), (1430, 63116), (1612, 55990), (1705, 52936), (2015, 44792), (2036, 44330), (2545, 35464), (2728, 33085), (2860, 31558), (3224, 27995), (3410, 26468), (4030, 22396), (4072, 22165), (4433, 20360), (5090, 17732), (5599, 16120), (5720, 15779), (6617, 13640), (6820, 13234), (8060, 11198), (8866, 10180)]