260306520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 813162240

約数和(自身を除く): 552855720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 129, 172, 183, 215, 244, 258, 305, 344, 366, 430, 488, 516, 610, 645, 732, 827, 860, 915, 1032, 1220, 1290, 1464, 1654, 1720, 1830, 2440, 2481, 2580, 2623, 3308, 3660, 4135, 4962, 5160, 5246, 6616, 7320, 7869, 8270, 9924, 10492, 12405, 13115, 15738, 16540, 19848, 20984, 24810, 26230, 31476, 33080, 35561, 39345, 49620, 50447, 52460, 62952, 71122, 78690, 99240, 100894, 104920, 106683, 142244, 151341, 157380, 177805, 201788, 213366, 252235, 284488, 302682, 314760, 355610, 403576, 426732, 504470, 533415, 605364, 711220, 756705, 853464, 1008940, 1066830, 1210728, 1422440, 1513410, 2017880, 2133660, 2169221, 3026820, 4267320, 4338442, 6053640, 6507663, 8676884, 10846105, 13015326, 17353768, 21692210, 26030652, 32538315, 43384420, 52061304, 65076630, 86768840, 130153260, 260306520]

約数ペア:

[(1, 260306520), (2, 130153260), (3, 86768840), (4, 65076630), (5, 52061304), (6, 43384420), (8, 32538315), (10, 26030652), (12, 21692210), (15, 17353768), (20, 13015326), (24, 10846105), (30, 8676884), (40, 6507663), (43, 6053640), (60, 4338442), (61, 4267320), (86, 3026820), (120, 2169221), (122, 2133660), (129, 2017880), (172, 1513410), (183, 1422440), (215, 1210728), (244, 1066830), (258, 1008940), (305, 853464), (344, 756705), (366, 711220), (430, 605364), (488, 533415), (516, 504470), (610, 426732), (645, 403576), (732, 355610), (827, 314760), (860, 302682), (915, 284488), (1032, 252235), (1220, 213366), (1290, 201788), (1464, 177805), (1654, 157380), (1720, 151341), (1830, 142244), (2440, 106683), (2481, 104920), (2580, 100894), (2623, 99240), (3308, 78690), (3660, 71122), (4135, 62952), (4962, 52460), (5160, 50447), (5246, 49620), (6616, 39345), (7320, 35561), (7869, 33080), (8270, 31476), (9924, 26230), (10492, 24810), (12405, 20984), (13115, 19848), (15738, 16540)]