80638440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 255052800

約数和(自身を除く): 174414360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 212, 248, 265, 310, 318, 372, 409, 424, 465, 530, 620, 636, 744, 795, 818, 930, 1060, 1227, 1240, 1272, 1590, 1636, 1643, 1860, 2045, 2120, 2454, 3180, 3272, 3286, 3720, 4090, 4908, 4929, 6135, 6360, 6572, 8180, 8215, 9816, 9858, 12270, 12679, 13144, 16360, 16430, 19716, 21677, 24540, 24645, 25358, 32860, 38037, 39432, 43354, 49080, 49290, 50716, 63395, 65031, 65720, 76074, 86708, 98580, 101432, 108385, 126790, 130062, 152148, 173416, 190185, 197160, 216770, 253580, 260124, 304296, 325155, 380370, 433540, 507160, 520248, 650310, 671987, 760740, 867080, 1300620, 1343974, 1521480, 2015961, 2601240, 2687948, 3359935, 4031922, 5375896, 6719870, 8063844, 10079805, 13439740, 16127688, 20159610, 26879480, 40319220, 80638440]

約数ペア:

[(1, 80638440), (2, 40319220), (3, 26879480), (4, 20159610), (5, 16127688), (6, 13439740), (8, 10079805), (10, 8063844), (12, 6719870), (15, 5375896), (20, 4031922), (24, 3359935), (30, 2687948), (31, 2601240), (40, 2015961), (53, 1521480), (60, 1343974), (62, 1300620), (93, 867080), (106, 760740), (120, 671987), (124, 650310), (155, 520248), (159, 507160), (186, 433540), (212, 380370), (248, 325155), (265, 304296), (310, 260124), (318, 253580), (372, 216770), (409, 197160), (424, 190185), (465, 173416), (530, 152148), (620, 130062), (636, 126790), (744, 108385), (795, 101432), (818, 98580), (930, 86708), (1060, 76074), (1227, 65720), (1240, 65031), (1272, 63395), (1590, 50716), (1636, 49290), (1643, 49080), (1860, 43354), (2045, 39432), (2120, 38037), (2454, 32860), (3180, 25358), (3272, 24645), (3286, 24540), (3720, 21677), (4090, 19716), (4908, 16430), (4929, 16360), (6135, 13144), (6360, 12679), (6572, 12270), (8180, 9858), (8215, 9816)]