64285740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18831

約数の個数: 72

約数和(自身を含む): 205274160

約数和(自身を除く): 140988420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18797, 37594, 56391, 75188, 93985, 112782, 169173, 187970, 225564, 281955, 338346, 357143, 375940, 563910, 676692, 714286, 845865, 1071429, 1127820, 1428572, 1691730, 1785715, 2142858, 3214287, 3383460, 3571430, 4285716, 5357145, 6428574, 7142860, 10714290, 12857148, 16071435, 21428580, 32142870, 64285740]

約数ペア:

[(1, 64285740), (2, 32142870), (3, 21428580), (4, 16071435), (5, 12857148), (6, 10714290), (9, 7142860), (10, 6428574), (12, 5357145), (15, 4285716), (18, 3571430), (19, 3383460), (20, 3214287), (30, 2142858), (36, 1785715), (38, 1691730), (45, 1428572), (57, 1127820), (60, 1071429), (76, 845865), (90, 714286), (95, 676692), (114, 563910), (171, 375940), (180, 357143), (190, 338346), (228, 281955), (285, 225564), (342, 187970), (380, 169173), (570, 112782), (684, 93985), (855, 75188), (1140, 56391), (1710, 37594), (3420, 18797)]