380107520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 1001331072

約数和(自身を除く): 621223552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 160, 208, 212, 256, 260, 265, 320, 416, 424, 431, 520, 530, 640, 689, 832, 848, 862, 1040, 1060, 1280, 1378, 1664, 1696, 1724, 2080, 2120, 2155, 2756, 3328, 3392, 3445, 3448, 4160, 4240, 4310, 5512, 5603, 6784, 6890, 6896, 8320, 8480, 8620, 11024, 11206, 13568, 13780, 13792, 16640, 16960, 17240, 22048, 22412, 22843, 27560, 27584, 28015, 33920, 34480, 44096, 44824, 45686, 55120, 55168, 56030, 67840, 68960, 88192, 89648, 91372, 110240, 110336, 112060, 114215, 137920, 176384, 179296, 182744, 220480, 224120, 228430, 275840, 296959, 358592, 365488, 440960, 448240, 456860, 551680, 593918, 717184, 730976, 881920, 896480, 913720, 1187836, 1434368, 1461952, 1484795, 1792960, 1827440, 2375672, 2923904, 2969590, 3585920, 3654880, 4751344, 5847808, 5939180, 7171840, 7309760, 9502688, 11878360, 14619520, 19005376, 23756720, 29239040, 38010752, 47513440, 76021504, 95026880, 190053760, 380107520]

約数ペア:

[(1, 380107520), (2, 190053760), (4, 95026880), (5, 76021504), (8, 47513440), (10, 38010752), (13, 29239040), (16, 23756720), (20, 19005376), (26, 14619520), (32, 11878360), (40, 9502688), (52, 7309760), (53, 7171840), (64, 5939180), (65, 5847808), (80, 4751344), (104, 3654880), (106, 3585920), (128, 2969590), (130, 2923904), (160, 2375672), (208, 1827440), (212, 1792960), (256, 1484795), (260, 1461952), (265, 1434368), (320, 1187836), (416, 913720), (424, 896480), (431, 881920), (520, 730976), (530, 717184), (640, 593918), (689, 551680), (832, 456860), (848, 448240), (862, 440960), (1040, 365488), (1060, 358592), (1280, 296959), (1378, 275840), (1664, 228430), (1696, 224120), (1724, 220480), (2080, 182744), (2120, 179296), (2155, 176384), (2756, 137920), (3328, 114215), (3392, 112060), (3445, 110336), (3448, 110240), (4160, 91372), (4240, 89648), (4310, 88192), (5512, 68960), (5603, 67840), (6784, 56030), (6890, 55168), (6896, 55120), (8320, 45686), (8480, 44824), (8620, 44096), (11024, 34480), (11206, 33920), (13568, 28015), (13780, 27584), (13792, 27560), (16640, 22843), (16960, 22412), (17240, 22048)]