400437120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2857}}^1$

素因数の和:2952

約数の個数: 128

約数和(自身を含む): 1294331040

約数和(自身を除く): 893893920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 292, 320, 365, 384, 438, 480, 584, 640, 730, 876, 960, 1095, 1168, 1460, 1752, 1920, 2190, 2336, 2857, 2920, 3504, 4380, 4672, 5714, 5840, 7008, 8571, 8760, 9344, 11428, 11680, 14016, 14285, 17142, 17520, 22856, 23360, 28032, 28570, 34284, 35040, 42855, 45712, 46720, 57140, 68568, 70080, 85710, 91424, 114280, 137136, 140160, 171420, 182848, 208561, 228560, 274272, 342840, 365696, 417122, 457120, 548544, 625683, 685680, 834244, 914240, 1042805, 1097088, 1251366, 1371360, 1668488, 1828480, 2085610, 2502732, 2742720, 3128415, 3336976, 4171220, 5005464, 5485440, 6256830, 6673952, 8342440, 10010928, 12513660, 13347904, 16684880, 20021856, 25027320, 26695808, 33369760, 40043712, 50054640, 66739520, 80087424, 100109280, 133479040, 200218560, 400437120]

約数ペア:

[(1, 400437120), (2, 200218560), (3, 133479040), (4, 100109280), (5, 80087424), (6, 66739520), (8, 50054640), (10, 40043712), (12, 33369760), (15, 26695808), (16, 25027320), (20, 20021856), (24, 16684880), (30, 13347904), (32, 12513660), (40, 10010928), (48, 8342440), (60, 6673952), (64, 6256830), (73, 5485440), (80, 5005464), (96, 4171220), (120, 3336976), (128, 3128415), (146, 2742720), (160, 2502732), (192, 2085610), (219, 1828480), (240, 1668488), (292, 1371360), (320, 1251366), (365, 1097088), (384, 1042805), (438, 914240), (480, 834244), (584, 685680), (640, 625683), (730, 548544), (876, 457120), (960, 417122), (1095, 365696), (1168, 342840), (1460, 274272), (1752, 228560), (1920, 208561), (2190, 182848), (2336, 171420), (2857, 140160), (2920, 137136), (3504, 114280), (4380, 91424), (4672, 85710), (5714, 70080), (5840, 68568), (7008, 57140), (8571, 46720), (8760, 45712), (9344, 42855), (11428, 35040), (11680, 34284), (14016, 28570), (14285, 28032), (17142, 23360), (17520, 22856)]