15721056

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 216

約数和(自身を含む): 53955720

約数和(自身を除く): 38234664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 19, 24, 26, 32, 34, 36, 38, 39, 48, 51, 52, 57, 68, 72, 76, 78, 96, 102, 104, 114, 117, 136, 144, 152, 153, 156, 169, 171, 204, 208, 221, 228, 234, 247, 272, 288, 304, 306, 312, 323, 338, 342, 408, 416, 442, 456, 468, 494, 507, 544, 608, 612, 624, 646, 663, 676, 684, 741, 816, 884, 912, 936, 969, 988, 1014, 1224, 1248, 1292, 1326, 1352, 1368, 1482, 1521, 1632, 1768, 1824, 1872, 1938, 1976, 1989, 2028, 2223, 2448, 2584, 2652, 2704, 2736, 2873, 2907, 2964, 3042, 3211, 3536, 3744, 3876, 3952, 3978, 4056, 4199, 4446, 4896, 5168, 5304, 5408, 5472, 5746, 5814, 5928, 6084, 6422, 7072, 7752, 7904, 7956, 8112, 8398, 8619, 8892, 9633, 10336, 10608, 11492, 11628, 11856, 12168, 12597, 12844, 15504, 15912, 16224, 16796, 17238, 17784, 19266, 21216, 22984, 23256, 23712, 24336, 25194, 25688, 25857, 28899, 31008, 31824, 33592, 34476, 35568, 37791, 38532, 45968, 46512, 48672, 50388, 51376, 51714, 54587, 57798, 63648, 67184, 68952, 71136, 75582, 77064, 91936, 93024, 100776, 102752, 103428, 109174, 115596, 134368, 137904, 151164, 154128, 163761, 201552, 206856, 218348, 231192, 275808, 302328, 308256, 327522, 403104, 413712, 436696, 462384, 491283, 604656, 655044, 827424, 873392, 924768, 982566, 1209312, 1310088, 1746784, 1965132, 2620176, 3930264, 5240352, 7860528, 15721056]

約数ペア:

[(1, 15721056), (2, 7860528), (3, 5240352), (4, 3930264), (6, 2620176), (8, 1965132), (9, 1746784), (12, 1310088), (13, 1209312), (16, 982566), (17, 924768), (18, 873392), (19, 827424), (24, 655044), (26, 604656), (32, 491283), (34, 462384), (36, 436696), (38, 413712), (39, 403104), (48, 327522), (51, 308256), (52, 302328), (57, 275808), (68, 231192), (72, 218348), (76, 206856), (78, 201552), (96, 163761), (102, 154128), (104, 151164), (114, 137904), (117, 134368), (136, 115596), (144, 109174), (152, 103428), (153, 102752), (156, 100776), (169, 93024), (171, 91936), (204, 77064), (208, 75582), (221, 71136), (228, 68952), (234, 67184), (247, 63648), (272, 57798), (288, 54587), (304, 51714), (306, 51376), (312, 50388), (323, 48672), (338, 46512), (342, 45968), (408, 38532), (416, 37791), (442, 35568), (456, 34476), (468, 33592), (494, 31824), (507, 31008), (544, 28899), (608, 25857), (612, 25688), (624, 25194), (646, 24336), (663, 23712), (676, 23256), (684, 22984), (741, 21216), (816, 19266), (884, 17784), (912, 17238), (936, 16796), (969, 16224), (988, 15912), (1014, 15504), (1224, 12844), (1248, 12597), (1292, 12168), (1326, 11856), (1352, 11628), (1368, 11492), (1482, 10608), (1521, 10336), (1632, 9633), (1768, 8892), (1824, 8619), (1872, 8398), (1938, 8112), (1976, 7956), (1989, 7904), (2028, 7752), (2223, 7072), (2448, 6422), (2584, 6084), (2652, 5928), (2704, 5814), (2736, 5746), (2873, 5472), (2907, 5408), (2964, 5304), (3042, 5168), (3211, 4896), (3536, 4446), (3744, 4199), (3876, 4056), (3952, 3978)]