72905280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:617

約数の個数: 224

約数和(自身を含む): 278952960

約数和(自身を除く): 206047680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 571, 608, 665, 672, 760, 798, 840, 912, 960, 1064, 1120, 1140, 1142, 1216, 1330, 1344, 1520, 1596, 1680, 1713, 1824, 1995, 2128, 2240, 2280, 2284, 2660, 2855, 3040, 3192, 3360, 3426, 3648, 3990, 3997, 4256, 4560, 4568, 5320, 5710, 6080, 6384, 6720, 6852, 7980, 7994, 8512, 8565, 9120, 9136, 10640, 10849, 11420, 11991, 12768, 13704, 15960, 15988, 17130, 18240, 18272, 19985, 21280, 21698, 22840, 23982, 25536, 27408, 31920, 31976, 32547, 34260, 36544, 39970, 42560, 43396, 45680, 47964, 54245, 54816, 59955, 63840, 63952, 65094, 68520, 75943, 79940, 86792, 91360, 95928, 108490, 109632, 119910, 127680, 127904, 130188, 137040, 151886, 159880, 162735, 173584, 182720, 191856, 216980, 227829, 239820, 255808, 260376, 274080, 303772, 319760, 325470, 347168, 379715, 383712, 433960, 455658, 479640, 520752, 548160, 607544, 639520, 650940, 694336, 759430, 767424, 867920, 911316, 959280, 1041504, 1139145, 1215088, 1279040, 1301880, 1518860, 1735840, 1822632, 1918560, 2083008, 2278290, 2430176, 2603760, 3037720, 3471680, 3645264, 3837120, 4556580, 4860352, 5207520, 6075440, 7290528, 9113160, 10415040, 12150880, 14581056, 18226320, 24301760, 36452640, 72905280]

約数ペア:

[(1, 72905280), (2, 36452640), (3, 24301760), (4, 18226320), (5, 14581056), (6, 12150880), (7, 10415040), (8, 9113160), (10, 7290528), (12, 6075440), (14, 5207520), (15, 4860352), (16, 4556580), (19, 3837120), (20, 3645264), (21, 3471680), (24, 3037720), (28, 2603760), (30, 2430176), (32, 2278290), (35, 2083008), (38, 1918560), (40, 1822632), (42, 1735840), (48, 1518860), (56, 1301880), (57, 1279040), (60, 1215088), (64, 1139145), (70, 1041504), (76, 959280), (80, 911316), (84, 867920), (95, 767424), (96, 759430), (105, 694336), (112, 650940), (114, 639520), (120, 607544), (133, 548160), (140, 520752), (152, 479640), (160, 455658), (168, 433960), (190, 383712), (192, 379715), (210, 347168), (224, 325470), (228, 319760), (240, 303772), (266, 274080), (280, 260376), (285, 255808), (304, 239820), (320, 227829), (336, 216980), (380, 191856), (399, 182720), (420, 173584), (448, 162735), (456, 159880), (480, 151886), (532, 137040), (560, 130188), (570, 127904), (571, 127680), (608, 119910), (665, 109632), (672, 108490), (760, 95928), (798, 91360), (840, 86792), (912, 79940), (960, 75943), (1064, 68520), (1120, 65094), (1140, 63952), (1142, 63840), (1216, 59955), (1330, 54816), (1344, 54245), (1520, 47964), (1596, 45680), (1680, 43396), (1713, 42560), (1824, 39970), (1995, 36544), (2128, 34260), (2240, 32547), (2280, 31976), (2284, 31920), (2660, 27408), (2855, 25536), (3040, 23982), (3192, 22840), (3360, 21698), (3426, 21280), (3648, 19985), (3990, 18272), (3997, 18240), (4256, 17130), (4560, 15988), (4568, 15960), (5320, 13704), (5710, 12768), (6080, 11991), (6384, 11420), (6720, 10849), (6852, 10640), (7980, 9136), (7994, 9120), (8512, 8565)]