321722880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 160

約数和(自身を含む): 1038844224

約数和(自身を除く): 717121344

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, 163, 192, 240, 256, 257, 320, 326, 384, 480, 489, 512, 514, 640, 652, 768, 771, 815, 960, 978, 1028, 1280, 1285, 1304, 1536, 1542, 1630, 1920, 1956, 2056, 2445, 2560, 2570, 2608, 3084, 3260, 3840, 3855, 3912, 4112, 4890, 5140, 5216, 6168, 6520, 7680, 7710, 7824, 8224, 9780, 10280, 10432, 12336, 13040, 15420, 15648, 16448, 19560, 20560, 20864, 24672, 26080, 30840, 31296, 32896, 39120, 41120, 41728, 41891, 49344, 52160, 61680, 62592, 65792, 78240, 82240, 83456, 83782, 98688, 104320, 123360, 125184, 125673, 131584, 156480, 164480, 167564, 197376, 208640, 209455, 246720, 250368, 251346, 312960, 328960, 335128, 394752, 417280, 418910, 493440, 502692, 625920, 628365, 657920, 670256, 837820, 986880, 1005384, 1251840, 1256730, 1340512, 1675640, 1973760, 2010768, 2513460, 2681024, 3351280, 4021536, 5026920, 5362048, 6702560, 8043072, 10053840, 10724096, 13405120, 16086144, 20107680, 21448192, 26810240, 32172288, 40215360, 53620480, 64344576, 80430720, 107240960, 160861440, 321722880]

約数ペア:

[(1, 321722880), (2, 160861440), (3, 107240960), (4, 80430720), (5, 64344576), (6, 53620480), (8, 40215360), (10, 32172288), (12, 26810240), (15, 21448192), (16, 20107680), (20, 16086144), (24, 13405120), (30, 10724096), (32, 10053840), (40, 8043072), (48, 6702560), (60, 5362048), (64, 5026920), (80, 4021536), (96, 3351280), (120, 2681024), (128, 2513460), (160, 2010768), (163, 1973760), (192, 1675640), (240, 1340512), (256, 1256730), (257, 1251840), (320, 1005384), (326, 986880), (384, 837820), (480, 670256), (489, 657920), (512, 628365), (514, 625920), (640, 502692), (652, 493440), (768, 418910), (771, 417280), (815, 394752), (960, 335128), (978, 328960), (1028, 312960), (1280, 251346), (1285, 250368), (1304, 246720), (1536, 209455), (1542, 208640), (1630, 197376), (1920, 167564), (1956, 164480), (2056, 156480), (2445, 131584), (2560, 125673), (2570, 125184), (2608, 123360), (3084, 104320), (3260, 98688), (3840, 83782), (3855, 83456), (3912, 82240), (4112, 78240), (4890, 65792), (5140, 62592), (5216, 61680), (6168, 52160), (6520, 49344), (7680, 41891), (7710, 41728), (7824, 41120), (8224, 39120), (9780, 32896), (10280, 31296), (10432, 30840), (12336, 26080), (13040, 24672), (15420, 20864), (15648, 20560), (16448, 19560)]