1277001960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19037}}^1$

素因数の和:19107

約数の個数: 128

約数和(自身を含む): 4221866880

約数和(自身を除く): 2944864920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3354, 4472, 5160, 5590, 6708, 8385, 11180, 13416, 16770, 19037, 22360, 33540, 38074, 57111, 67080, 76148, 95185, 114222, 152296, 190370, 228444, 247481, 285555, 380740, 456888, 494962, 571110, 742443, 761480, 818591, 989924, 1142220, 1237405, 1484886, 1637182, 1979848, 2284440, 2455773, 2474810, 2969772, 3274364, 3712215, 4092955, 4911546, 4949620, 5939544, 6548728, 7424430, 8185910, 9823092, 9899240, 10641683, 12278865, 14848860, 16371820, 19646184, 21283366, 24557730, 29697720, 31925049, 32743640, 42566732, 49115460, 53208415, 63850098, 85133464, 98230920, 106416830, 127700196, 159625245, 212833660, 255400392, 319250490, 425667320, 638500980, 1277001960]

約数ペア:

[(1, 1277001960), (2, 638500980), (3, 425667320), (4, 319250490), (5, 255400392), (6, 212833660), (8, 159625245), (10, 127700196), (12, 106416830), (13, 98230920), (15, 85133464), (20, 63850098), (24, 53208415), (26, 49115460), (30, 42566732), (39, 32743640), (40, 31925049), (43, 29697720), (52, 24557730), (60, 21283366), (65, 19646184), (78, 16371820), (86, 14848860), (104, 12278865), (120, 10641683), (129, 9899240), (130, 9823092), (156, 8185910), (172, 7424430), (195, 6548728), (215, 5939544), (258, 4949620), (260, 4911546), (312, 4092955), (344, 3712215), (390, 3274364), (430, 2969772), (516, 2474810), (520, 2455773), (559, 2284440), (645, 1979848), (780, 1637182), (860, 1484886), (1032, 1237405), (1118, 1142220), (1290, 989924), (1560, 818591), (1677, 761480), (1720, 742443), (2236, 571110), (2580, 494962), (2795, 456888), (3354, 380740), (4472, 285555), (5160, 247481), (5590, 228444), (6708, 190370), (8385, 152296), (11180, 114222), (13416, 95185), (16770, 76148), (19037, 67080), (22360, 57111), (33540, 38074)]