399601920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5520

約数の個数: 144

約数和(自身を含む): 1343643840

約数和(自身を除く): 944041920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 3840, 4560, 4864, 5477, 6080, 7296, 9120, 10954, 12160, 14592, 16431, 18240, 21908, 24320, 27385, 32862, 36480, 43816, 54770, 65724, 72960, 82155, 87632, 104063, 109540, 131448, 164310, 175264, 208126, 219080, 262896, 312189, 328620, 350528, 416252, 438160, 520315, 525792, 624378, 657240, 701056, 832504, 876320, 1040630, 1051584, 1248756, 1314480, 1402112, 1560945, 1665008, 1752640, 2081260, 2103168, 2497512, 2628960, 3121890, 3330016, 3505280, 4162520, 4206336, 4995024, 5257920, 6243780, 6660032, 7010560, 8325040, 9990048, 10515840, 12487560, 13320064, 16650080, 19980096, 21031680, 24975120, 26640128, 33300160, 39960192, 49950240, 66600320, 79920384, 99900480, 133200640, 199800960, 399601920]

約数ペア:

[(1, 399601920), (2, 199800960), (3, 133200640), (4, 99900480), (5, 79920384), (6, 66600320), (8, 49950240), (10, 39960192), (12, 33300160), (15, 26640128), (16, 24975120), (19, 21031680), (20, 19980096), (24, 16650080), (30, 13320064), (32, 12487560), (38, 10515840), (40, 9990048), (48, 8325040), (57, 7010560), (60, 6660032), (64, 6243780), (76, 5257920), (80, 4995024), (95, 4206336), (96, 4162520), (114, 3505280), (120, 3330016), (128, 3121890), (152, 2628960), (160, 2497512), (190, 2103168), (192, 2081260), (228, 1752640), (240, 1665008), (256, 1560945), (285, 1402112), (304, 1314480), (320, 1248756), (380, 1051584), (384, 1040630), (456, 876320), (480, 832504), (570, 701056), (608, 657240), (640, 624378), (760, 525792), (768, 520315), (912, 438160), (960, 416252), (1140, 350528), (1216, 328620), (1280, 312189), (1520, 262896), (1824, 219080), (1920, 208126), (2280, 175264), (2432, 164310), (3040, 131448), (3648, 109540), (3840, 104063), (4560, 87632), (4864, 82155), (5477, 72960), (6080, 65724), (7296, 54770), (9120, 43816), (10954, 36480), (12160, 32862), (14592, 27385), (16431, 24320), (18240, 21908)]