72660840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86501}}^1$

素因数の和:86522

約数の個数: 64

約数和(自身を含む): 249125760

約数和(自身を除く): 176464920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86501, 173002, 259503, 346004, 432505, 519006, 605507, 692008, 865010, 1038012, 1211014, 1297515, 1730020, 1816521, 2076024, 2422028, 2595030, 3027535, 3460040, 3633042, 4844056, 5190060, 6055070, 7266084, 9082605, 10380120, 12110140, 14532168, 18165210, 24220280, 36330420, 72660840]

約数ペア:

[(1, 72660840), (2, 36330420), (3, 24220280), (4, 18165210), (5, 14532168), (6, 12110140), (7, 10380120), (8, 9082605), (10, 7266084), (12, 6055070), (14, 5190060), (15, 4844056), (20, 3633042), (21, 3460040), (24, 3027535), (28, 2595030), (30, 2422028), (35, 2076024), (40, 1816521), (42, 1730020), (56, 1297515), (60, 1211014), (70, 1038012), (84, 865010), (105, 692008), (120, 605507), (140, 519006), (168, 432505), (210, 346004), (280, 259503), (420, 173002), (840, 86501)]