31136250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:86

約数の個数: 120

約数和(自身を含む): 85697568

約数和(自身を除く): 54561318

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 25, 30, 38, 46, 50, 57, 69, 75, 95, 114, 115, 125, 138, 150, 190, 230, 250, 285, 345, 361, 375, 437, 475, 570, 575, 625, 690, 722, 750, 874, 950, 1083, 1150, 1250, 1311, 1425, 1725, 1805, 1875, 2166, 2185, 2375, 2622, 2850, 2875, 3450, 3610, 3750, 4370, 4750, 5415, 5750, 6555, 7125, 8303, 8625, 9025, 10830, 10925, 11875, 13110, 14250, 14375, 16606, 17250, 18050, 21850, 23750, 24909, 27075, 28750, 32775, 35625, 41515, 43125, 45125, 49818, 54150, 54625, 65550, 71250, 83030, 86250, 90250, 109250, 124545, 135375, 163875, 207575, 225625, 249090, 270750, 273125, 327750, 415150, 451250, 546250, 622725, 676875, 819375, 1037875, 1245450, 1353750, 1638750, 2075750, 3113625, 5189375, 6227250, 10378750, 15568125, 31136250]

約数ペア:

[(1, 31136250), (2, 15568125), (3, 10378750), (5, 6227250), (6, 5189375), (10, 3113625), (15, 2075750), (19, 1638750), (23, 1353750), (25, 1245450), (30, 1037875), (38, 819375), (46, 676875), (50, 622725), (57, 546250), (69, 451250), (75, 415150), (95, 327750), (114, 273125), (115, 270750), (125, 249090), (138, 225625), (150, 207575), (190, 163875), (230, 135375), (250, 124545), (285, 109250), (345, 90250), (361, 86250), (375, 83030), (437, 71250), (475, 65550), (570, 54625), (575, 54150), (625, 49818), (690, 45125), (722, 43125), (750, 41515), (874, 35625), (950, 32775), (1083, 28750), (1150, 27075), (1250, 24909), (1311, 23750), (1425, 21850), (1725, 18050), (1805, 17250), (1875, 16606), (2166, 14375), (2185, 14250), (2375, 13110), (2622, 11875), (2850, 10925), (2875, 10830), (3450, 9025), (3610, 8625), (3750, 8303), (4370, 7125), (4750, 6555), (5415, 5750)]