81732720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1783}}^1$

素因数の和:1990

約数の個数: 80

約数和(自身を含む): 254840832

約数和(自身を除く): 173108112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 573, 764, 955, 1146, 1528, 1783, 1910, 2292, 2865, 3056, 3566, 3820, 4584, 5349, 5730, 7132, 7640, 8915, 9168, 10698, 11460, 14264, 15280, 17830, 21396, 22920, 26745, 28528, 35660, 42792, 45840, 53490, 71320, 85584, 106980, 142640, 213960, 340553, 427920, 681106, 1021659, 1362212, 1702765, 2043318, 2724424, 3405530, 4086636, 5108295, 5448848, 6811060, 8173272, 10216590, 13622120, 16346544, 20433180, 27244240, 40866360, 81732720]

約数ペア:

[(1, 81732720), (2, 40866360), (3, 27244240), (4, 20433180), (5, 16346544), (6, 13622120), (8, 10216590), (10, 8173272), (12, 6811060), (15, 5448848), (16, 5108295), (20, 4086636), (24, 3405530), (30, 2724424), (40, 2043318), (48, 1702765), (60, 1362212), (80, 1021659), (120, 681106), (191, 427920), (240, 340553), (382, 213960), (573, 142640), (764, 106980), (955, 85584), (1146, 71320), (1528, 53490), (1783, 45840), (1910, 42792), (2292, 35660), (2865, 28528), (3056, 26745), (3566, 22920), (3820, 21396), (4584, 17830), (5349, 15280), (5730, 14264), (7132, 11460), (7640, 10698), (8915, 9168)]