78717900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 229610304

約数和(自身を除く): 150892404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 131, 150, 262, 300, 393, 524, 655, 786, 1310, 1572, 1965, 2003, 2620, 3275, 3930, 4006, 6009, 6550, 7860, 8012, 9825, 10015, 12018, 13100, 19650, 20030, 24036, 30045, 39300, 40060, 50075, 60090, 100150, 120180, 150225, 200300, 262393, 300450, 524786, 600900, 787179, 1049572, 1311965, 1574358, 2623930, 3148716, 3935895, 5247860, 6559825, 7871790, 13119650, 15743580, 19679475, 26239300, 39358950, 78717900]

約数ペア:

[(1, 78717900), (2, 39358950), (3, 26239300), (4, 19679475), (5, 15743580), (6, 13119650), (10, 7871790), (12, 6559825), (15, 5247860), (20, 3935895), (25, 3148716), (30, 2623930), (50, 1574358), (60, 1311965), (75, 1049572), (100, 787179), (131, 600900), (150, 524786), (262, 300450), (300, 262393), (393, 200300), (524, 150225), (655, 120180), (786, 100150), (1310, 60090), (1572, 50075), (1965, 40060), (2003, 39300), (2620, 30045), (3275, 24036), (3930, 20030), (4006, 19650), (6009, 13100), (6550, 12018), (7860, 10015), (8012, 9825)]