51997140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 176362368

約数和(自身を除く): 124365228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 823, 972, 1053, 1170, 1215, 1404, 1620, 1646, 1755, 2106, 2340, 2430, 2469, 3159, 3292, 3510, 4115, 4212, 4860, 4938, 5265, 6318, 7020, 7407, 8230, 9876, 10530, 10699, 12345, 12636, 14814, 15795, 16460, 21060, 21398, 22221, 24690, 29628, 31590, 32097, 37035, 42796, 44442, 49380, 53495, 63180, 64194, 66663, 74070, 88884, 96291, 106990, 111105, 128388, 133326, 148140, 160485, 192582, 199989, 213980, 222210, 266652, 288873, 320970, 333315, 385164, 399978, 444420, 481455, 577746, 641940, 666630, 799956, 866619, 962910, 999945, 1155492, 1333260, 1444365, 1733238, 1925820, 1999890, 2599857, 2888730, 3466476, 3999780, 4333095, 5199714, 5777460, 8666190, 10399428, 12999285, 17332380, 25998570, 51997140]

約数ペア:

[(1, 51997140), (2, 25998570), (3, 17332380), (4, 12999285), (5, 10399428), (6, 8666190), (9, 5777460), (10, 5199714), (12, 4333095), (13, 3999780), (15, 3466476), (18, 2888730), (20, 2599857), (26, 1999890), (27, 1925820), (30, 1733238), (36, 1444365), (39, 1333260), (45, 1155492), (52, 999945), (54, 962910), (60, 866619), (65, 799956), (78, 666630), (81, 641940), (90, 577746), (108, 481455), (117, 444420), (130, 399978), (135, 385164), (156, 333315), (162, 320970), (180, 288873), (195, 266652), (234, 222210), (243, 213980), (260, 199989), (270, 192582), (324, 160485), (351, 148140), (390, 133326), (405, 128388), (468, 111105), (486, 106990), (540, 96291), (585, 88884), (702, 74070), (780, 66663), (810, 64194), (823, 63180), (972, 53495), (1053, 49380), (1170, 44442), (1215, 42796), (1404, 37035), (1620, 32097), (1646, 31590), (1755, 29628), (2106, 24690), (2340, 22221), (2430, 21398), (2469, 21060), (3159, 16460), (3292, 15795), (3510, 14814), (4115, 12636), (4212, 12345), (4860, 10699), (4938, 10530), (5265, 9876), (6318, 8230), (7020, 7407)]