31891500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 106186080

約数和(自身を除く): 74294580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 373, 375, 380, 450, 475, 500, 570, 684, 746, 750, 855, 900, 950, 1119, 1125, 1140, 1425, 1492, 1500, 1710, 1865, 1900, 2238, 2250, 2375, 2850, 3357, 3420, 3730, 4275, 4476, 4500, 4750, 5595, 5700, 6714, 7087, 7125, 7460, 8550, 9325, 9500, 11190, 13428, 14174, 14250, 16785, 17100, 18650, 21261, 21375, 22380, 27975, 28348, 28500, 33570, 35435, 37300, 42522, 42750, 46625, 55950, 63783, 67140, 70870, 83925, 85044, 85500, 93250, 106305, 111900, 127566, 139875, 141740, 167850, 177175, 186500, 212610, 255132, 279750, 318915, 335700, 354350, 419625, 425220, 531525, 559500, 637830, 708700, 839250, 885875, 1063050, 1275660, 1594575, 1678500, 1771750, 2126100, 2657625, 3189150, 3543500, 5315250, 6378300, 7972875, 10630500, 15945750, 31891500]

約数ペア:

[(1, 31891500), (2, 15945750), (3, 10630500), (4, 7972875), (5, 6378300), (6, 5315250), (9, 3543500), (10, 3189150), (12, 2657625), (15, 2126100), (18, 1771750), (19, 1678500), (20, 1594575), (25, 1275660), (30, 1063050), (36, 885875), (38, 839250), (45, 708700), (50, 637830), (57, 559500), (60, 531525), (75, 425220), (76, 419625), (90, 354350), (95, 335700), (100, 318915), (114, 279750), (125, 255132), (150, 212610), (171, 186500), (180, 177175), (190, 167850), (225, 141740), (228, 139875), (250, 127566), (285, 111900), (300, 106305), (342, 93250), (373, 85500), (375, 85044), (380, 83925), (450, 70870), (475, 67140), (500, 63783), (570, 55950), (684, 46625), (746, 42750), (750, 42522), (855, 37300), (900, 35435), (950, 33570), (1119, 28500), (1125, 28348), (1140, 27975), (1425, 22380), (1492, 21375), (1500, 21261), (1710, 18650), (1865, 17100), (1900, 16785), (2238, 14250), (2250, 14174), (2375, 13428), (2850, 11190), (3357, 9500), (3420, 9325), (3730, 8550), (4275, 7460), (4476, 7125), (4500, 7087), (4750, 6714), (5595, 5700)]