381366720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{18917}}^1$

素因数の和:18947

約数の個数: 168

約数和(自身を含む): 1499213664

約数和(自身を除く): 1117846944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 18917, 20160, 37834, 56751, 75668, 94585, 113502, 132419, 151336, 170253, 189170, 227004, 264838, 283755, 302672, 340506, 378340, 397257, 454008, 529676, 567510, 605344, 662095, 681012, 756680, 794514, 851265, 908016, 1059352, 1135020, 1191771, 1210688, 1324190, 1362024, 1513360, 1589028, 1702530, 1816032, 1986285, 2118704, 2270040, 2383542, 2648380, 2724048, 3026720, 3178056, 3405060, 3632064, 3972570, 4237408, 4540080, 4767084, 5296760, 5448096, 5958855, 6053440, 6356112, 6810120, 7945140, 8474816, 9080160, 9534168, 10593520, 10896192, 11917710, 12712224, 13620240, 15890280, 18160320, 19068336, 21187040, 23835420, 25424448, 27240480, 31780560, 38136672, 42374080, 47670840, 54480960, 63561120, 76273344, 95341680, 127122240, 190683360, 381366720]

約数ペア:

[(1, 381366720), (2, 190683360), (3, 127122240), (4, 95341680), (5, 76273344), (6, 63561120), (7, 54480960), (8, 47670840), (9, 42374080), (10, 38136672), (12, 31780560), (14, 27240480), (15, 25424448), (16, 23835420), (18, 21187040), (20, 19068336), (21, 18160320), (24, 15890280), (28, 13620240), (30, 12712224), (32, 11917710), (35, 10896192), (36, 10593520), (40, 9534168), (42, 9080160), (45, 8474816), (48, 7945140), (56, 6810120), (60, 6356112), (63, 6053440), (64, 5958855), (70, 5448096), (72, 5296760), (80, 4767084), (84, 4540080), (90, 4237408), (96, 3972570), (105, 3632064), (112, 3405060), (120, 3178056), (126, 3026720), (140, 2724048), (144, 2648380), (160, 2383542), (168, 2270040), (180, 2118704), (192, 1986285), (210, 1816032), (224, 1702530), (240, 1589028), (252, 1513360), (280, 1362024), (288, 1324190), (315, 1210688), (320, 1191771), (336, 1135020), (360, 1059352), (420, 908016), (448, 851265), (480, 794514), (504, 756680), (560, 681012), (576, 662095), (630, 605344), (672, 567510), (720, 529676), (840, 454008), (960, 397257), (1008, 378340), (1120, 340506), (1260, 302672), (1344, 283755), (1440, 264838), (1680, 227004), (2016, 189170), (2240, 170253), (2520, 151336), (2880, 132419), (3360, 113502), (4032, 94585), (5040, 75668), (6720, 56751), (10080, 37834), (18917, 20160)]