818987040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2213}}^1$

素因数の和:2491

約数の個数: 144

約数和(自身を含む): 2806935768

約数和(自身を除く): 1987948728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 257, 288, 360, 480, 514, 720, 771, 1028, 1285, 1440, 1542, 2056, 2213, 2313, 2570, 3084, 3855, 4112, 4426, 4626, 5140, 6168, 6639, 7710, 8224, 8852, 9252, 10280, 11065, 11565, 12336, 13278, 15420, 17704, 18504, 19917, 20560, 22130, 23130, 24672, 26556, 30840, 33195, 35408, 37008, 39834, 41120, 44260, 46260, 53112, 61680, 66390, 70816, 74016, 79668, 88520, 92520, 99585, 106224, 123360, 132780, 159336, 177040, 185040, 199170, 212448, 265560, 318672, 354080, 370080, 398340, 531120, 568741, 637344, 796680, 1062240, 1137482, 1593360, 1706223, 2274964, 2843705, 3186720, 3412446, 4549928, 5118669, 5687410, 6824892, 8531115, 9099856, 10237338, 11374820, 13649784, 17062230, 18199712, 20474676, 22749640, 25593345, 27299568, 34124460, 40949352, 45499280, 51186690, 54599136, 68248920, 81898704, 90998560, 102373380, 136497840, 163797408, 204746760, 272995680, 409493520, 818987040]

約数ペア:

[(1, 818987040), (2, 409493520), (3, 272995680), (4, 204746760), (5, 163797408), (6, 136497840), (8, 102373380), (9, 90998560), (10, 81898704), (12, 68248920), (15, 54599136), (16, 51186690), (18, 45499280), (20, 40949352), (24, 34124460), (30, 27299568), (32, 25593345), (36, 22749640), (40, 20474676), (45, 18199712), (48, 17062230), (60, 13649784), (72, 11374820), (80, 10237338), (90, 9099856), (96, 8531115), (120, 6824892), (144, 5687410), (160, 5118669), (180, 4549928), (240, 3412446), (257, 3186720), (288, 2843705), (360, 2274964), (480, 1706223), (514, 1593360), (720, 1137482), (771, 1062240), (1028, 796680), (1285, 637344), (1440, 568741), (1542, 531120), (2056, 398340), (2213, 370080), (2313, 354080), (2570, 318672), (3084, 265560), (3855, 212448), (4112, 199170), (4426, 185040), (4626, 177040), (5140, 159336), (6168, 132780), (6639, 123360), (7710, 106224), (8224, 99585), (8852, 92520), (9252, 88520), (10280, 79668), (11065, 74016), (11565, 70816), (12336, 66390), (13278, 61680), (15420, 53112), (17704, 46260), (18504, 44260), (19917, 41120), (20560, 39834), (22130, 37008), (23130, 35408), (24672, 33195), (26556, 30840)]