67236520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 173859840

約数和(自身を除く): 106623320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 97, 104, 124, 130, 155, 172, 194, 215, 248, 260, 310, 344, 388, 403, 430, 485, 520, 559, 620, 776, 806, 860, 970, 1118, 1240, 1261, 1333, 1612, 1720, 1940, 2015, 2236, 2522, 2666, 2795, 3007, 3224, 3880, 4030, 4171, 4472, 5044, 5332, 5590, 6014, 6305, 6665, 8060, 8342, 10088, 10664, 11180, 12028, 12610, 13330, 15035, 16120, 16684, 17329, 20855, 22360, 24056, 25220, 26660, 30070, 33368, 34658, 39091, 41710, 50440, 53320, 54223, 60140, 69316, 78182, 83420, 86645, 108446, 120280, 129301, 138632, 156364, 166840, 173290, 195455, 216892, 258602, 271115, 312728, 346580, 390910, 433784, 517204, 542230, 646505, 693160, 781820, 1034408, 1084460, 1293010, 1563640, 1680913, 2168920, 2586020, 3361826, 5172040, 6723652, 8404565, 13447304, 16809130, 33618260, 67236520]

約数ペア:

[(1, 67236520), (2, 33618260), (4, 16809130), (5, 13447304), (8, 8404565), (10, 6723652), (13, 5172040), (20, 3361826), (26, 2586020), (31, 2168920), (40, 1680913), (43, 1563640), (52, 1293010), (62, 1084460), (65, 1034408), (86, 781820), (97, 693160), (104, 646505), (124, 542230), (130, 517204), (155, 433784), (172, 390910), (194, 346580), (215, 312728), (248, 271115), (260, 258602), (310, 216892), (344, 195455), (388, 173290), (403, 166840), (430, 156364), (485, 138632), (520, 129301), (559, 120280), (620, 108446), (776, 86645), (806, 83420), (860, 78182), (970, 69316), (1118, 60140), (1240, 54223), (1261, 53320), (1333, 50440), (1612, 41710), (1720, 39091), (1940, 34658), (2015, 33368), (2236, 30070), (2522, 26660), (2666, 25220), (2795, 24056), (3007, 22360), (3224, 20855), (3880, 17329), (4030, 16684), (4171, 16120), (4472, 15035), (5044, 13330), (5332, 12610), (5590, 12028), (6014, 11180), (6305, 10664), (6665, 10088), (8060, 8342)]