128157600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:887

約数の個数: 144

約数和(自身を含む): 423910368

約数和(自身を除く): 295752768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 67, 75, 80, 96, 100, 120, 134, 150, 160, 200, 201, 240, 268, 300, 335, 400, 402, 480, 536, 600, 670, 797, 800, 804, 1005, 1072, 1200, 1340, 1594, 1608, 1675, 2010, 2144, 2391, 2400, 2680, 3188, 3216, 3350, 3985, 4020, 4782, 5025, 5360, 6376, 6432, 6700, 7970, 8040, 9564, 10050, 10720, 11955, 12752, 13400, 15940, 16080, 19128, 19925, 20100, 23910, 25504, 26800, 31880, 32160, 38256, 39850, 40200, 47820, 53399, 53600, 59775, 63760, 76512, 79700, 80400, 95640, 106798, 119550, 127520, 159400, 160197, 160800, 191280, 213596, 239100, 266995, 318800, 320394, 382560, 427192, 478200, 533990, 637600, 640788, 800985, 854384, 956400, 1067980, 1281576, 1334975, 1601970, 1708768, 1912800, 2135960, 2563152, 2669950, 3203940, 4004925, 4271920, 5126304, 5339900, 6407880, 8009850, 8543840, 10679800, 12815760, 16019700, 21359600, 25631520, 32039400, 42719200, 64078800, 128157600]

約数ペア:

[(1, 128157600), (2, 64078800), (3, 42719200), (4, 32039400), (5, 25631520), (6, 21359600), (8, 16019700), (10, 12815760), (12, 10679800), (15, 8543840), (16, 8009850), (20, 6407880), (24, 5339900), (25, 5126304), (30, 4271920), (32, 4004925), (40, 3203940), (48, 2669950), (50, 2563152), (60, 2135960), (67, 1912800), (75, 1708768), (80, 1601970), (96, 1334975), (100, 1281576), (120, 1067980), (134, 956400), (150, 854384), (160, 800985), (200, 640788), (201, 637600), (240, 533990), (268, 478200), (300, 427192), (335, 382560), (400, 320394), (402, 318800), (480, 266995), (536, 239100), (600, 213596), (670, 191280), (797, 160800), (800, 160197), (804, 159400), (1005, 127520), (1072, 119550), (1200, 106798), (1340, 95640), (1594, 80400), (1608, 79700), (1675, 76512), (2010, 63760), (2144, 59775), (2391, 53600), (2400, 53399), (2680, 47820), (3188, 40200), (3216, 39850), (3350, 38256), (3985, 32160), (4020, 31880), (4782, 26800), (5025, 25504), (5360, 23910), (6376, 20100), (6432, 19925), (6700, 19128), (7970, 16080), (8040, 15940), (9564, 13400), (10050, 12752), (10720, 11955)]