81607140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26669}}^1$

素因数の和:26701

約数の個数: 72

約数和(自身を含む): 262112760

約数和(自身を除く): 180505620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26669, 53338, 80007, 106676, 133345, 160014, 240021, 266690, 320028, 400035, 453373, 480042, 533380, 800070, 906746, 960084, 1200105, 1360119, 1600140, 1813492, 2266865, 2400210, 2720238, 4080357, 4533730, 4800420, 5440476, 6800595, 8160714, 9067460, 13601190, 16321428, 20401785, 27202380, 40803570, 81607140]

約数ペア:

[(1, 81607140), (2, 40803570), (3, 27202380), (4, 20401785), (5, 16321428), (6, 13601190), (9, 9067460), (10, 8160714), (12, 6800595), (15, 5440476), (17, 4800420), (18, 4533730), (20, 4080357), (30, 2720238), (34, 2400210), (36, 2266865), (45, 1813492), (51, 1600140), (60, 1360119), (68, 1200105), (85, 960084), (90, 906746), (102, 800070), (153, 533380), (170, 480042), (180, 453373), (204, 400035), (255, 320028), (306, 266690), (340, 240021), (510, 160014), (612, 133345), (765, 106676), (1020, 80007), (1530, 53338), (3060, 26669)]