80430720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 128

約数和(自身を含む): 258949440

約数和(自身を除く): 178518720

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, 257, 320, 326, 384, 480, 489, 514, 640, 652, 771, 815, 960, 978, 1028, 1285, 1304, 1542, 1630, 1920, 1956, 2056, 2445, 2570, 2608, 3084, 3260, 3855, 3912, 4112, 4890, 5140, 5216, 6168, 6520, 7710, 7824, 8224, 9780, 10280, 10432, 12336, 13040, 15420, 15648, 16448, 19560, 20560, 20864, 24672, 26080, 30840, 31296, 32896, 39120, 41120, 41891, 49344, 52160, 61680, 62592, 78240, 82240, 83782, 98688, 104320, 123360, 125673, 156480, 164480, 167564, 209455, 246720, 251346, 312960, 335128, 418910, 493440, 502692, 628365, 670256, 837820, 1005384, 1256730, 1340512, 1675640, 2010768, 2513460, 2681024, 3351280, 4021536, 5026920, 5362048, 6702560, 8043072, 10053840, 13405120, 16086144, 20107680, 26810240, 40215360, 80430720]

約数ペア:

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