1261439280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2683}}^1$

素因数の和:3355

約数の個数: 120

約数和(自身を含む): 4244402448

約数和(自身を除く): 2982963168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 653, 720, 1306, 1959, 2612, 2683, 3265, 3918, 5224, 5366, 5877, 6530, 7836, 8049, 9795, 10448, 10732, 11754, 13060, 13415, 15672, 16098, 19590, 21464, 23508, 24147, 26120, 26830, 29385, 31344, 32196, 39180, 40245, 42928, 47016, 48294, 52240, 53660, 58770, 64392, 78360, 80490, 94032, 96588, 107320, 117540, 120735, 128784, 156720, 160980, 193176, 214640, 235080, 241470, 321960, 386352, 470160, 482940, 643920, 965880, 1751999, 1931760, 3503998, 5255997, 7007996, 8759995, 10511994, 14015992, 15767991, 17519990, 21023988, 26279985, 28031984, 31535982, 35039980, 42047976, 52559970, 63071964, 70079960, 78839955, 84095952, 105119940, 126143928, 140159920, 157679910, 210239880, 252287856, 315359820, 420479760, 630719640, 1261439280]

約数ペア:

[(1, 1261439280), (2, 630719640), (3, 420479760), (4, 315359820), (5, 252287856), (6, 210239880), (8, 157679910), (9, 140159920), (10, 126143928), (12, 105119940), (15, 84095952), (16, 78839955), (18, 70079960), (20, 63071964), (24, 52559970), (30, 42047976), (36, 35039980), (40, 31535982), (45, 28031984), (48, 26279985), (60, 21023988), (72, 17519990), (80, 15767991), (90, 14015992), (120, 10511994), (144, 8759995), (180, 7007996), (240, 5255997), (360, 3503998), (653, 1931760), (720, 1751999), (1306, 965880), (1959, 643920), (2612, 482940), (2683, 470160), (3265, 386352), (3918, 321960), (5224, 241470), (5366, 235080), (5877, 214640), (6530, 193176), (7836, 160980), (8049, 156720), (9795, 128784), (10448, 120735), (10732, 117540), (11754, 107320), (13060, 96588), (13415, 94032), (15672, 80490), (16098, 78360), (19590, 64392), (21464, 58770), (23508, 53660), (24147, 52240), (26120, 48294), (26830, 47016), (29385, 42928), (31344, 40245), (32196, 39180)]