55407420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 187518240

約数和(自身を除く): 132110820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 953, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1906, 1938, 2859, 2907, 3060, 3230, 3420, 3812, 3876, 4765, 4845, 5718, 5814, 6460, 8577, 9530, 9690, 11436, 11628, 14295, 14535, 16201, 17154, 18107, 19060, 19380, 28590, 29070, 32402, 34308, 36214, 42885, 48603, 54321, 57180, 58140, 64804, 72428, 81005, 85770, 90535, 97206, 108642, 145809, 162010, 162963, 171540, 181070, 194412, 217284, 243015, 271605, 291618, 307819, 324020, 325926, 362140, 486030, 543210, 583236, 615638, 651852, 729045, 814815, 923457, 972060, 1086420, 1231276, 1458090, 1539095, 1629630, 1846914, 2770371, 2916180, 3078190, 3259260, 3693828, 4617285, 5540742, 6156380, 9234570, 11081484, 13851855, 18469140, 27703710, 55407420]

約数ペア:

[(1, 55407420), (2, 27703710), (3, 18469140), (4, 13851855), (5, 11081484), (6, 9234570), (9, 6156380), (10, 5540742), (12, 4617285), (15, 3693828), (17, 3259260), (18, 3078190), (19, 2916180), (20, 2770371), (30, 1846914), (34, 1629630), (36, 1539095), (38, 1458090), (45, 1231276), (51, 1086420), (57, 972060), (60, 923457), (68, 814815), (76, 729045), (85, 651852), (90, 615638), (95, 583236), (102, 543210), (114, 486030), (153, 362140), (170, 325926), (171, 324020), (180, 307819), (190, 291618), (204, 271605), (228, 243015), (255, 217284), (285, 194412), (306, 181070), (323, 171540), (340, 162963), (342, 162010), (380, 145809), (510, 108642), (570, 97206), (612, 90535), (646, 85770), (684, 81005), (765, 72428), (855, 64804), (953, 58140), (969, 57180), (1020, 54321), (1140, 48603), (1292, 42885), (1530, 36214), (1615, 34308), (1710, 32402), (1906, 29070), (1938, 28590), (2859, 19380), (2907, 19060), (3060, 18107), (3230, 17154), (3420, 16201), (3812, 14535), (3876, 14295), (4765, 11628), (4845, 11436), (5718, 9690), (5814, 9530), (6460, 8577)]