78756444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 239410080

約数和(自身を除く): 160653636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 19, 26, 34, 36, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 117, 153, 156, 171, 204, 221, 228, 234, 247, 306, 323, 342, 442, 468, 494, 521, 612, 646, 663, 684, 741, 884, 969, 988, 1042, 1292, 1326, 1482, 1563, 1938, 1989, 2084, 2223, 2652, 2907, 2964, 3126, 3876, 3978, 4199, 4446, 4689, 5814, 6252, 6773, 7956, 8398, 8857, 8892, 9378, 9899, 11628, 12597, 13546, 16796, 17714, 18756, 19798, 20319, 25194, 26571, 27092, 29697, 35428, 37791, 39596, 40638, 50388, 53142, 59394, 60957, 75582, 79713, 81276, 89091, 106284, 115141, 118788, 121914, 128687, 151164, 159426, 168283, 178182, 230282, 243828, 257374, 318852, 336566, 345423, 356364, 386061, 460564, 504849, 514748, 673132, 690846, 772122, 1009698, 1036269, 1158183, 1381692, 1514547, 1544244, 2019396, 2072538, 2187679, 2316366, 3029094, 4145076, 4375358, 4632732, 6058188, 6563037, 8750716, 13126074, 19689111, 26252148, 39378222, 78756444]

約数ペア:

[(1, 78756444), (2, 39378222), (3, 26252148), (4, 19689111), (6, 13126074), (9, 8750716), (12, 6563037), (13, 6058188), (17, 4632732), (18, 4375358), (19, 4145076), (26, 3029094), (34, 2316366), (36, 2187679), (38, 2072538), (39, 2019396), (51, 1544244), (52, 1514547), (57, 1381692), (68, 1158183), (76, 1036269), (78, 1009698), (102, 772122), (114, 690846), (117, 673132), (153, 514748), (156, 504849), (171, 460564), (204, 386061), (221, 356364), (228, 345423), (234, 336566), (247, 318852), (306, 257374), (323, 243828), (342, 230282), (442, 178182), (468, 168283), (494, 159426), (521, 151164), (612, 128687), (646, 121914), (663, 118788), (684, 115141), (741, 106284), (884, 89091), (969, 81276), (988, 79713), (1042, 75582), (1292, 60957), (1326, 59394), (1482, 53142), (1563, 50388), (1938, 40638), (1989, 39596), (2084, 37791), (2223, 35428), (2652, 29697), (2907, 27092), (2964, 26571), (3126, 25194), (3876, 20319), (3978, 19798), (4199, 18756), (4446, 17714), (4689, 16796), (5814, 13546), (6252, 12597), (6773, 11628), (7956, 9899), (8398, 9378), (8857, 8892)]