128122500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1553}}^1$

素因数の和:1591

約数の個数: 120

約数和(自身を含む): 407794464

約数和(自身を除く): 279671964

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 125, 132, 150, 165, 220, 250, 275, 300, 330, 375, 500, 550, 625, 660, 750, 825, 1100, 1250, 1375, 1500, 1553, 1650, 1875, 2500, 2750, 3106, 3300, 3750, 4125, 4659, 5500, 6212, 6875, 7500, 7765, 8250, 9318, 13750, 15530, 16500, 17083, 18636, 20625, 23295, 27500, 31060, 34166, 38825, 41250, 46590, 51249, 68332, 77650, 82500, 85415, 93180, 102498, 116475, 155300, 170830, 194125, 204996, 232950, 256245, 341660, 388250, 427075, 465900, 512490, 582375, 776500, 854150, 970625, 1024980, 1164750, 1281225, 1708300, 1941250, 2135375, 2329500, 2562450, 2911875, 3882500, 4270750, 5124900, 5823750, 6406125, 8541500, 10676875, 11647500, 12812250, 21353750, 25624500, 32030625, 42707500, 64061250, 128122500]

約数ペア:

[(1, 128122500), (2, 64061250), (3, 42707500), (4, 32030625), (5, 25624500), (6, 21353750), (10, 12812250), (11, 11647500), (12, 10676875), (15, 8541500), (20, 6406125), (22, 5823750), (25, 5124900), (30, 4270750), (33, 3882500), (44, 2911875), (50, 2562450), (55, 2329500), (60, 2135375), (66, 1941250), (75, 1708300), (100, 1281225), (110, 1164750), (125, 1024980), (132, 970625), (150, 854150), (165, 776500), (220, 582375), (250, 512490), (275, 465900), (300, 427075), (330, 388250), (375, 341660), (500, 256245), (550, 232950), (625, 204996), (660, 194125), (750, 170830), (825, 155300), (1100, 116475), (1250, 102498), (1375, 93180), (1500, 85415), (1553, 82500), (1650, 77650), (1875, 68332), (2500, 51249), (2750, 46590), (3106, 41250), (3300, 38825), (3750, 34166), (4125, 31060), (4659, 27500), (5500, 23295), (6212, 20625), (6875, 18636), (7500, 17083), (7765, 16500), (8250, 15530), (9318, 13750)]