20148896640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{15187}}^1$

素因数の和:15900

約数の個数: 128

約数和(自身を含む): 64321787520

約数和(自身を除く): 44172890880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 691, 960, 1382, 1920, 2073, 2764, 3455, 4146, 5528, 6910, 8292, 10365, 11056, 13820, 15187, 16584, 20730, 22112, 27640, 30374, 33168, 41460, 44224, 45561, 55280, 60748, 66336, 75935, 82920, 88448, 91122, 110560, 121496, 132672, 151870, 165840, 182244, 221120, 227805, 242992, 265344, 303740, 331680, 364488, 442240, 455610, 485984, 607480, 663360, 728976, 911220, 971968, 1214960, 1326720, 1457952, 1822440, 1943936, 2429920, 2915904, 3644880, 4859840, 5831808, 7289760, 9719680, 10494217, 14579520, 20988434, 29159040, 31482651, 41976868, 52471085, 62965302, 83953736, 104942170, 125930604, 157413255, 167907472, 209884340, 251861208, 314826510, 335814944, 419768680, 503722416, 629653020, 671629888, 839537360, 1007444832, 1259306040, 1343259776, 1679074720, 2014889664, 2518612080, 3358149440, 4029779328, 5037224160, 6716298880, 10074448320, 20148896640]

約数ペア:

[(1, 20148896640), (2, 10074448320), (3, 6716298880), (4, 5037224160), (5, 4029779328), (6, 3358149440), (8, 2518612080), (10, 2014889664), (12, 1679074720), (15, 1343259776), (16, 1259306040), (20, 1007444832), (24, 839537360), (30, 671629888), (32, 629653020), (40, 503722416), (48, 419768680), (60, 335814944), (64, 314826510), (80, 251861208), (96, 209884340), (120, 167907472), (128, 157413255), (160, 125930604), (192, 104942170), (240, 83953736), (320, 62965302), (384, 52471085), (480, 41976868), (640, 31482651), (691, 29159040), (960, 20988434), (1382, 14579520), (1920, 10494217), (2073, 9719680), (2764, 7289760), (3455, 5831808), (4146, 4859840), (5528, 3644880), (6910, 2915904), (8292, 2429920), (10365, 1943936), (11056, 1822440), (13820, 1457952), (15187, 1326720), (16584, 1214960), (20730, 971968), (22112, 911220), (27640, 728976), (30374, 663360), (33168, 607480), (41460, 485984), (44224, 455610), (45561, 442240), (55280, 364488), (60748, 331680), (66336, 303740), (75935, 265344), (82920, 242992), (88448, 227805), (91122, 221120), (110560, 182244), (121496, 165840), (132672, 151870)]