180902475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2741

約数の個数: 72

約数和(自身を含む): 364247520

約数和(自身を除く): 183345045

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 2689, 2691, 2925, 4485, 5175, 7475, 8067, 13445, 13455, 22425, 24201, 34957, 40335, 61847, 67225, 67275, 104871, 121005, 174785, 185541, 201675, 309235, 314613, 524355, 556623, 605025, 804011, 873925, 927705, 1546175, 1573065, 2412033, 2621775, 2783115, 4020055, 4638525, 7236099, 7865325, 12060165, 13915575, 20100275, 36180495, 60300825, 180902475]

約数ペア:

[(1, 180902475), (3, 60300825), (5, 36180495), (9, 20100275), (13, 13915575), (15, 12060165), (23, 7865325), (25, 7236099), (39, 4638525), (45, 4020055), (65, 2783115), (69, 2621775), (75, 2412033), (115, 1573065), (117, 1546175), (195, 927705), (207, 873925), (225, 804011), (299, 605025), (325, 556623), (345, 524355), (575, 314613), (585, 309235), (897, 201675), (975, 185541), (1035, 174785), (1495, 121005), (1725, 104871), (2689, 67275), (2691, 67225), (2925, 61847), (4485, 40335), (5175, 34957), (7475, 24201), (8067, 22425), (13445, 13455)]