171519280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 434409696

約数和(自身を除く): 262890416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 97, 115, 124, 155, 184, 194, 230, 248, 310, 368, 388, 460, 485, 496, 620, 713, 776, 920, 961, 970, 1240, 1426, 1552, 1840, 1922, 1940, 2231, 2480, 2852, 3007, 3565, 3844, 3880, 4462, 4805, 5704, 6014, 7130, 7688, 7760, 8924, 9610, 11155, 11408, 12028, 14260, 15035, 15376, 17848, 19220, 22103, 22310, 24056, 28520, 30070, 35696, 38440, 44206, 44620, 48112, 57040, 60140, 69161, 76880, 88412, 89240, 93217, 110515, 120280, 138322, 176824, 178480, 186434, 221030, 240560, 276644, 345805, 353648, 372868, 442060, 466085, 553288, 691610, 745736, 884120, 932170, 1106576, 1383220, 1491472, 1768240, 1864340, 2143991, 2766440, 3728680, 4287982, 5532880, 7457360, 8575964, 10719955, 17151928, 21439910, 34303856, 42879820, 85759640, 171519280]

約数ペア:

[(1, 171519280), (2, 85759640), (4, 42879820), (5, 34303856), (8, 21439910), (10, 17151928), (16, 10719955), (20, 8575964), (23, 7457360), (31, 5532880), (40, 4287982), (46, 3728680), (62, 2766440), (80, 2143991), (92, 1864340), (97, 1768240), (115, 1491472), (124, 1383220), (155, 1106576), (184, 932170), (194, 884120), (230, 745736), (248, 691610), (310, 553288), (368, 466085), (388, 442060), (460, 372868), (485, 353648), (496, 345805), (620, 276644), (713, 240560), (776, 221030), (920, 186434), (961, 178480), (970, 176824), (1240, 138322), (1426, 120280), (1552, 110515), (1840, 93217), (1922, 89240), (1940, 88412), (2231, 76880), (2480, 69161), (2852, 60140), (3007, 57040), (3565, 48112), (3844, 44620), (3880, 44206), (4462, 38440), (4805, 35696), (5704, 30070), (6014, 28520), (7130, 24056), (7688, 22310), (7760, 22103), (8924, 19220), (9610, 17848), (11155, 15376), (11408, 15035), (12028, 14260)]