81402900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8753}}^1$

素因数の和:8801

約数の個数: 72

約数和(自身を含む): 243151104

約数和(自身を除く): 161748204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 3100, 4650, 8753, 9300, 17506, 26259, 35012, 43765, 52518, 87530, 105036, 131295, 175060, 218825, 262590, 271343, 437650, 525180, 542686, 656475, 814029, 875300, 1085372, 1312950, 1356715, 1628058, 2625900, 2713430, 3256116, 4070145, 5426860, 6783575, 8140290, 13567150, 16280580, 20350725, 27134300, 40701450, 81402900]

約数ペア:

[(1, 81402900), (2, 40701450), (3, 27134300), (4, 20350725), (5, 16280580), (6, 13567150), (10, 8140290), (12, 6783575), (15, 5426860), (20, 4070145), (25, 3256116), (30, 2713430), (31, 2625900), (50, 1628058), (60, 1356715), (62, 1312950), (75, 1085372), (93, 875300), (100, 814029), (124, 656475), (150, 542686), (155, 525180), (186, 437650), (300, 271343), (310, 262590), (372, 218825), (465, 175060), (620, 131295), (775, 105036), (930, 87530), (1550, 52518), (1860, 43765), (2325, 35012), (3100, 26259), (4650, 17506), (8753, 9300)]