171687420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:3004

約数の個数: 144

約数和(自身を含む): 580638240

約数和(自身を除く): 408950820

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, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 2953, 3060, 3230, 3420, 3876, 4845, 5814, 5906, 6460, 8859, 9690, 11628, 11812, 14535, 14765, 17718, 19380, 26577, 29070, 29530, 35436, 44295, 50201, 53154, 56107, 58140, 59060, 88590, 100402, 106308, 112214, 132885, 150603, 168321, 177180, 200804, 224428, 251005, 265770, 280535, 301206, 336642, 451809, 502010, 504963, 531540, 561070, 602412, 673284, 753015, 841605, 903618, 953819, 1004020, 1009926, 1122140, 1506030, 1683210, 1807236, 1907638, 2019852, 2259045, 2524815, 2861457, 3012060, 3366420, 3815276, 4518090, 4769095, 5049630, 5722914, 8584371, 9036180, 9538190, 10099260, 11445828, 14307285, 17168742, 19076380, 28614570, 34337484, 42921855, 57229140, 85843710, 171687420]

約数ペア:

[(1, 171687420), (2, 85843710), (3, 57229140), (4, 42921855), (5, 34337484), (6, 28614570), (9, 19076380), (10, 17168742), (12, 14307285), (15, 11445828), (17, 10099260), (18, 9538190), (19, 9036180), (20, 8584371), (30, 5722914), (34, 5049630), (36, 4769095), (38, 4518090), (45, 3815276), (51, 3366420), (57, 3012060), (60, 2861457), (68, 2524815), (76, 2259045), (85, 2019852), (90, 1907638), (95, 1807236), (102, 1683210), (114, 1506030), (153, 1122140), (170, 1009926), (171, 1004020), (180, 953819), (190, 903618), (204, 841605), (228, 753015), (255, 673284), (285, 602412), (306, 561070), (323, 531540), (340, 504963), (342, 502010), (380, 451809), (510, 336642), (570, 301206), (612, 280535), (646, 265770), (684, 251005), (765, 224428), (855, 200804), (969, 177180), (1020, 168321), (1140, 150603), (1292, 132885), (1530, 112214), (1615, 106308), (1710, 100402), (1938, 88590), (2907, 59060), (2953, 58140), (3060, 56107), (3230, 53154), (3420, 50201), (3876, 44295), (4845, 35436), (5814, 29530), (5906, 29070), (6460, 26577), (8859, 19380), (9690, 17718), (11628, 14765), (11812, 14535)]