31895940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 96526080

約数和(自身を除く): 64630140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 460, 580, 667, 690, 797, 870, 1334, 1380, 1594, 1740, 2001, 2391, 2668, 3188, 3335, 3985, 4002, 4782, 6670, 7970, 8004, 9564, 10005, 11955, 13340, 15940, 18331, 20010, 23113, 23910, 36662, 40020, 46226, 47820, 54993, 69339, 73324, 91655, 92452, 109986, 115565, 138678, 183310, 219972, 231130, 274965, 277356, 346695, 366620, 462260, 531599, 549930, 693390, 1063198, 1099860, 1386780, 1594797, 2126396, 2657995, 3189594, 5315990, 6379188, 7973985, 10631980, 15947970, 31895940]

約数ペア:

[(1, 31895940), (2, 15947970), (3, 10631980), (4, 7973985), (5, 6379188), (6, 5315990), (10, 3189594), (12, 2657995), (15, 2126396), (20, 1594797), (23, 1386780), (29, 1099860), (30, 1063198), (46, 693390), (58, 549930), (60, 531599), (69, 462260), (87, 366620), (92, 346695), (115, 277356), (116, 274965), (138, 231130), (145, 219972), (174, 183310), (230, 138678), (276, 115565), (290, 109986), (345, 92452), (348, 91655), (435, 73324), (460, 69339), (580, 54993), (667, 47820), (690, 46226), (797, 40020), (870, 36662), (1334, 23910), (1380, 23113), (1594, 20010), (1740, 18331), (2001, 15940), (2391, 13340), (2668, 11955), (3188, 10005), (3335, 9564), (3985, 8004), (4002, 7970), (4782, 6670)]