2054409840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{407621}}^1$

素因数の和:407647

約数の個数: 120

約数和(自身を含む): 7885039968

約数和(自身を除く): 5830630128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 407621, 815242, 1222863, 1630484, 2038105, 2445726, 2853347, 3260968, 3668589, 4076210, 4891452, 5706694, 6114315, 6521936, 7337178, 8152420, 8560041, 9782904, 11413388, 12228630, 14266735, 14674356, 16304840, 17120082, 18342945, 19565808, 22826776, 24457260, 25680123, 28533470, 29348712, 32609680, 34240164, 36685890, 42800205, 45653552, 48914520, 51360246, 57066940, 58697424, 68480328, 73371780, 85600410, 97829040, 102720492, 114133880, 128400615, 136960656, 146743560, 171200820, 205440984, 228267760, 256801230, 293487120, 342401640, 410881968, 513602460, 684803280, 1027204920, 2054409840]

約数ペア:

[(1, 2054409840), (2, 1027204920), (3, 684803280), (4, 513602460), (5, 410881968), (6, 342401640), (7, 293487120), (8, 256801230), (9, 228267760), (10, 205440984), (12, 171200820), (14, 146743560), (15, 136960656), (16, 128400615), (18, 114133880), (20, 102720492), (21, 97829040), (24, 85600410), (28, 73371780), (30, 68480328), (35, 58697424), (36, 57066940), (40, 51360246), (42, 48914520), (45, 45653552), (48, 42800205), (56, 36685890), (60, 34240164), (63, 32609680), (70, 29348712), (72, 28533470), (80, 25680123), (84, 24457260), (90, 22826776), (105, 19565808), (112, 18342945), (120, 17120082), (126, 16304840), (140, 14674356), (144, 14266735), (168, 12228630), (180, 11413388), (210, 9782904), (240, 8560041), (252, 8152420), (280, 7337178), (315, 6521936), (336, 6114315), (360, 5706694), (420, 4891452), (504, 4076210), (560, 3668589), (630, 3260968), (720, 2853347), (840, 2445726), (1008, 2038105), (1260, 1630484), (1680, 1222863), (2520, 815242), (5040, 407621)]