1277908125

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 2319757440

約数和(自身を除く): 1041849315

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 125, 195, 309, 325, 375, 509, 515, 625, 975, 1339, 1527, 1545, 1625, 1875, 2545, 2575, 4017, 4875, 6617, 6695, 7635, 7725, 8125, 12725, 12875, 19851, 20085, 24375, 33085, 33475, 38175, 38625, 52427, 63625, 64375, 99255, 100425, 157281, 165425, 167375, 190875, 193125, 262135, 318125, 496275, 502125, 681551, 786405, 827125, 836875, 954375, 1310675, 2044653, 2481375, 2510625, 3407755, 3932025, 4135625, 6553375, 10223265, 12406875, 17038775, 19660125, 32766875, 51116325, 85193875, 98300625, 255581625, 425969375, 1277908125]

約数ペア:

[(1, 1277908125), (3, 425969375), (5, 255581625), (13, 98300625), (15, 85193875), (25, 51116325), (39, 32766875), (65, 19660125), (75, 17038775), (103, 12406875), (125, 10223265), (195, 6553375), (309, 4135625), (325, 3932025), (375, 3407755), (509, 2510625), (515, 2481375), (625, 2044653), (975, 1310675), (1339, 954375), (1527, 836875), (1545, 827125), (1625, 786405), (1875, 681551), (2545, 502125), (2575, 496275), (4017, 318125), (4875, 262135), (6617, 193125), (6695, 190875), (7635, 167375), (7725, 165425), (8125, 157281), (12725, 100425), (12875, 99255), (19851, 64375), (20085, 63625), (24375, 52427), (33085, 38625), (33475, 38175)]