128898540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:589

約数の個数: 120

約数和(自身を含む): 407251152

約数和(自身を除く): 278352612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 251, 270, 317, 324, 405, 502, 540, 634, 753, 810, 951, 1004, 1255, 1268, 1506, 1585, 1620, 1902, 2259, 2510, 2853, 3012, 3170, 3765, 3804, 4518, 4755, 5020, 5706, 6340, 6777, 7530, 8559, 9036, 9510, 11295, 11412, 13554, 14265, 15060, 17118, 19020, 20331, 22590, 25677, 27108, 28530, 33885, 34236, 40662, 42795, 45180, 51354, 57060, 67770, 79567, 81324, 85590, 101655, 102708, 128385, 135540, 159134, 171180, 203310, 238701, 256770, 318268, 397835, 406620, 477402, 513540, 716103, 795670, 954804, 1193505, 1432206, 1591340, 2148309, 2387010, 2864412, 3580515, 4296618, 4774020, 6444927, 7161030, 8593236, 10741545, 12889854, 14322060, 21483090, 25779708, 32224635, 42966180, 64449270, 128898540]

約数ペア:

[(1, 128898540), (2, 64449270), (3, 42966180), (4, 32224635), (5, 25779708), (6, 21483090), (9, 14322060), (10, 12889854), (12, 10741545), (15, 8593236), (18, 7161030), (20, 6444927), (27, 4774020), (30, 4296618), (36, 3580515), (45, 2864412), (54, 2387010), (60, 2148309), (81, 1591340), (90, 1432206), (108, 1193505), (135, 954804), (162, 795670), (180, 716103), (251, 513540), (270, 477402), (317, 406620), (324, 397835), (405, 318268), (502, 256770), (540, 238701), (634, 203310), (753, 171180), (810, 159134), (951, 135540), (1004, 128385), (1255, 102708), (1268, 101655), (1506, 85590), (1585, 81324), (1620, 79567), (1902, 67770), (2259, 57060), (2510, 51354), (2853, 45180), (3012, 42795), (3170, 40662), (3765, 34236), (3804, 33885), (4518, 28530), (4755, 27108), (5020, 25677), (5706, 22590), (6340, 20331), (6777, 19020), (7530, 17118), (8559, 15060), (9036, 14265), (9510, 13554), (11295, 11412)]