1219860

素因数分解:

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

素因数の和:275

約数の個数: 72

約数和(自身を含む): 3852576

約数和(自身を除く): 2632716

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, 243, 251, 270, 324, 405, 486, 502, 540, 753, 810, 972, 1004, 1215, 1255, 1506, 1620, 2259, 2430, 2510, 3012, 3765, 4518, 4860, 5020, 6777, 7530, 9036, 11295, 13554, 15060, 20331, 22590, 27108, 33885, 40662, 45180, 60993, 67770, 81324, 101655, 121986, 135540, 203310, 243972, 304965, 406620, 609930, 1219860]

約数ペア:

[(1, 1219860), (2, 609930), (3, 406620), (4, 304965), (5, 243972), (6, 203310), (9, 135540), (10, 121986), (12, 101655), (15, 81324), (18, 67770), (20, 60993), (27, 45180), (30, 40662), (36, 33885), (45, 27108), (54, 22590), (60, 20331), (81, 15060), (90, 13554), (108, 11295), (135, 9036), (162, 7530), (180, 6777), (243, 5020), (251, 4860), (270, 4518), (324, 3765), (405, 3012), (486, 2510), (502, 2430), (540, 2259), (753, 1620), (810, 1506), (972, 1255), (1004, 1215)]