154987980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 192

約数和(自身を含む): 537062400

約数和(自身を除く): 382074420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 343, 357, 420, 443, 476, 490, 510, 588, 595, 686, 714, 735, 833, 886, 980, 1020, 1029, 1190, 1329, 1372, 1428, 1470, 1666, 1715, 1772, 1785, 2058, 2215, 2380, 2499, 2658, 2940, 3101, 3332, 3430, 3570, 4116, 4165, 4430, 4998, 5145, 5316, 5831, 6202, 6645, 6860, 7140, 7531, 8330, 8860, 9303, 9996, 10290, 11662, 12404, 12495, 13290, 15062, 15505, 16660, 17493, 18606, 20580, 21707, 22593, 23324, 24990, 26580, 29155, 30124, 31010, 34986, 37212, 37655, 43414, 45186, 46515, 49980, 52717, 58310, 62020, 65121, 69972, 75310, 86828, 87465, 90372, 93030, 105434, 108535, 112965, 116620, 130242, 150620, 151949, 158151, 174930, 186060, 210868, 217070, 225930, 260484, 263585, 303898, 316302, 325605, 349860, 369019, 434140, 451860, 455847, 527170, 607796, 632604, 651210, 738038, 759745, 790755, 911694, 1054340, 1107057, 1302420, 1476076, 1519490, 1581510, 1823388, 1845095, 2214114, 2279235, 2583133, 3038980, 3163020, 3690190, 4428228, 4558470, 5166266, 5535285, 7380380, 7749399, 9116940, 10332532, 11070570, 12915665, 15498798, 22141140, 25831330, 30997596, 38746995, 51662660, 77493990, 154987980]

約数ペア:

[(1, 154987980), (2, 77493990), (3, 51662660), (4, 38746995), (5, 30997596), (6, 25831330), (7, 22141140), (10, 15498798), (12, 12915665), (14, 11070570), (15, 10332532), (17, 9116940), (20, 7749399), (21, 7380380), (28, 5535285), (30, 5166266), (34, 4558470), (35, 4428228), (42, 3690190), (49, 3163020), (51, 3038980), (60, 2583133), (68, 2279235), (70, 2214114), (84, 1845095), (85, 1823388), (98, 1581510), (102, 1519490), (105, 1476076), (119, 1302420), (140, 1107057), (147, 1054340), (170, 911694), (196, 790755), (204, 759745), (210, 738038), (238, 651210), (245, 632604), (255, 607796), (294, 527170), (340, 455847), (343, 451860), (357, 434140), (420, 369019), (443, 349860), (476, 325605), (490, 316302), (510, 303898), (588, 263585), (595, 260484), (686, 225930), (714, 217070), (735, 210868), (833, 186060), (886, 174930), (980, 158151), (1020, 151949), (1029, 150620), (1190, 130242), (1329, 116620), (1372, 112965), (1428, 108535), (1470, 105434), (1666, 93030), (1715, 90372), (1772, 87465), (1785, 86828), (2058, 75310), (2215, 69972), (2380, 65121), (2499, 62020), (2658, 58310), (2940, 52717), (3101, 49980), (3332, 46515), (3430, 45186), (3570, 43414), (4116, 37655), (4165, 37212), (4430, 34986), (4998, 31010), (5145, 30124), (5316, 29155), (5831, 26580), (6202, 24990), (6645, 23324), (6860, 22593), (7140, 21707), (7531, 20580), (8330, 18606), (8860, 17493), (9303, 16660), (9996, 15505), (10290, 15062), (11662, 13290), (12404, 12495)]