128571480

素因数分解:

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

素因数の和:18833

約数の個数: 96

約数和(自身を含む): 439873200

約数和(自身を除く): 311301720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 18797, 37594, 56391, 75188, 93985, 112782, 150376, 169173, 187970, 225564, 281955, 338346, 357143, 375940, 451128, 563910, 676692, 714286, 751880, 845865, 1071429, 1127820, 1353384, 1428572, 1691730, 1785715, 2142858, 2255640, 2857144, 3214287, 3383460, 3571430, 4285716, 5357145, 6428574, 6766920, 7142860, 8571432, 10714290, 12857148, 14285720, 16071435, 21428580, 25714296, 32142870, 42857160, 64285740, 128571480]

約数ペア:

[(1, 128571480), (2, 64285740), (3, 42857160), (4, 32142870), (5, 25714296), (6, 21428580), (8, 16071435), (9, 14285720), (10, 12857148), (12, 10714290), (15, 8571432), (18, 7142860), (19, 6766920), (20, 6428574), (24, 5357145), (30, 4285716), (36, 3571430), (38, 3383460), (40, 3214287), (45, 2857144), (57, 2255640), (60, 2142858), (72, 1785715), (76, 1691730), (90, 1428572), (95, 1353384), (114, 1127820), (120, 1071429), (152, 845865), (171, 751880), (180, 714286), (190, 676692), (228, 563910), (285, 451128), (342, 375940), (360, 357143), (380, 338346), (456, 281955), (570, 225564), (684, 187970), (760, 169173), (855, 150376), (1140, 112782), (1368, 93985), (1710, 75188), (2280, 56391), (3420, 37594), (6840, 18797)]