81824260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1619}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 207385920

約数和(自身を除く): 125561660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1619, 1805, 2527, 2660, 3238, 3610, 5054, 6476, 7220, 8095, 10108, 11333, 12635, 16190, 22666, 25270, 30761, 32380, 45332, 50540, 56665, 61522, 113330, 123044, 153805, 215327, 226660, 307610, 430654, 584459, 615220, 861308, 1076635, 1168918, 2153270, 2337836, 2922295, 4091213, 4306540, 5844590, 8182426, 11689180, 16364852, 20456065, 40912130, 81824260]

約数ペア:

[(1, 81824260), (2, 40912130), (4, 20456065), (5, 16364852), (7, 11689180), (10, 8182426), (14, 5844590), (19, 4306540), (20, 4091213), (28, 2922295), (35, 2337836), (38, 2153270), (70, 1168918), (76, 1076635), (95, 861308), (133, 615220), (140, 584459), (190, 430654), (266, 307610), (361, 226660), (380, 215327), (532, 153805), (665, 123044), (722, 113330), (1330, 61522), (1444, 56665), (1619, 50540), (1805, 45332), (2527, 32380), (2660, 30761), (3238, 25270), (3610, 22666), (5054, 16190), (6476, 12635), (7220, 11333), (8095, 10108)]