78980055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 171417600

約数和(自身を除く): 92437545

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 59, 61, 77, 95, 105, 133, 165, 177, 183, 209, 231, 285, 295, 305, 385, 399, 413, 427, 627, 649, 665, 671, 885, 915, 1045, 1121, 1155, 1159, 1239, 1281, 1463, 1947, 1995, 2013, 2065, 2135, 3135, 3245, 3355, 3363, 3477, 3599, 4389, 4543, 4697, 5605, 5795, 6195, 6405, 7315, 7847, 8113, 9735, 10065, 10797, 12331, 12749, 13629, 14091, 16815, 17385, 17995, 21945, 22715, 23485, 23541, 24339, 25193, 36993, 38247, 39235, 39589, 40565, 53985, 61655, 63745, 68145, 68381, 70455, 75579, 86317, 89243, 117705, 118767, 121695, 125965, 184965, 191235, 197945, 205143, 258951, 267729, 277123, 341905, 377895, 431585, 446215, 478667, 593835, 752191, 831369, 1025715, 1294755, 1338645, 1385615, 1436001, 2256573, 2393335, 3760955, 4156845, 5265337, 7180005, 11282865, 15796011, 26326685, 78980055]

約数ペア:

[(1, 78980055), (3, 26326685), (5, 15796011), (7, 11282865), (11, 7180005), (15, 5265337), (19, 4156845), (21, 3760955), (33, 2393335), (35, 2256573), (55, 1436001), (57, 1385615), (59, 1338645), (61, 1294755), (77, 1025715), (95, 831369), (105, 752191), (133, 593835), (165, 478667), (177, 446215), (183, 431585), (209, 377895), (231, 341905), (285, 277123), (295, 267729), (305, 258951), (385, 205143), (399, 197945), (413, 191235), (427, 184965), (627, 125965), (649, 121695), (665, 118767), (671, 117705), (885, 89243), (915, 86317), (1045, 75579), (1121, 70455), (1155, 68381), (1159, 68145), (1239, 63745), (1281, 61655), (1463, 53985), (1947, 40565), (1995, 39589), (2013, 39235), (2065, 38247), (2135, 36993), (3135, 25193), (3245, 24339), (3355, 23541), (3363, 23485), (3477, 22715), (3599, 21945), (4389, 17995), (4543, 17385), (4697, 16815), (5605, 14091), (5795, 13629), (6195, 12749), (6405, 12331), (7315, 10797), (7847, 10065), (8113, 9735)]