81052500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 240897888

約数和(自身を除く): 159845388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 107, 125, 150, 202, 214, 250, 300, 303, 321, 375, 404, 428, 500, 505, 535, 606, 625, 642, 750, 1010, 1070, 1212, 1250, 1284, 1500, 1515, 1605, 1875, 2020, 2140, 2500, 2525, 2675, 3030, 3210, 3750, 5050, 5350, 6060, 6420, 7500, 7575, 8025, 10100, 10700, 10807, 12625, 13375, 15150, 16050, 21614, 25250, 26750, 30300, 32100, 32421, 37875, 40125, 43228, 50500, 53500, 54035, 63125, 64842, 66875, 75750, 80250, 108070, 126250, 129684, 133750, 151500, 160500, 162105, 189375, 200625, 216140, 252500, 267500, 270175, 324210, 378750, 401250, 540350, 648420, 757500, 802500, 810525, 1080700, 1350875, 1621050, 2701750, 3242100, 4052625, 5403500, 6754375, 8105250, 13508750, 16210500, 20263125, 27017500, 40526250, 81052500]

約数ペア:

[(1, 81052500), (2, 40526250), (3, 27017500), (4, 20263125), (5, 16210500), (6, 13508750), (10, 8105250), (12, 6754375), (15, 5403500), (20, 4052625), (25, 3242100), (30, 2701750), (50, 1621050), (60, 1350875), (75, 1080700), (100, 810525), (101, 802500), (107, 757500), (125, 648420), (150, 540350), (202, 401250), (214, 378750), (250, 324210), (300, 270175), (303, 267500), (321, 252500), (375, 216140), (404, 200625), (428, 189375), (500, 162105), (505, 160500), (535, 151500), (606, 133750), (625, 129684), (642, 126250), (750, 108070), (1010, 80250), (1070, 75750), (1212, 66875), (1250, 64842), (1284, 63125), (1500, 54035), (1515, 53500), (1605, 50500), (1875, 43228), (2020, 40125), (2140, 37875), (2500, 32421), (2525, 32100), (2675, 30300), (3030, 26750), (3210, 25250), (3750, 21614), (5050, 16050), (5350, 15150), (6060, 13375), (6420, 12625), (7500, 10807), (7575, 10700), (8025, 10100)]