13791720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 31827480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 263, 276, 285, 345, 380, 437, 456, 460, 526, 552, 570, 690, 760, 789, 874, 920, 1052, 1140, 1311, 1315, 1380, 1578, 1748, 2104, 2185, 2280, 2622, 2630, 2760, 3156, 3496, 3945, 4370, 4997, 5244, 5260, 6049, 6312, 6555, 7890, 8740, 9994, 10488, 10520, 12098, 13110, 14991, 15780, 17480, 18147, 19988, 24196, 24985, 26220, 29982, 30245, 31560, 36294, 39976, 48392, 49970, 52440, 59964, 60490, 72588, 74955, 90735, 99940, 114931, 119928, 120980, 145176, 149910, 181470, 199880, 229862, 241960, 299820, 344793, 362940, 459724, 574655, 599640, 689586, 725880, 919448, 1149310, 1379172, 1723965, 2298620, 2758344, 3447930, 4597240, 6895860, 13791720]

約数ペア:

[(1, 13791720), (2, 6895860), (3, 4597240), (4, 3447930), (5, 2758344), (6, 2298620), (8, 1723965), (10, 1379172), (12, 1149310), (15, 919448), (19, 725880), (20, 689586), (23, 599640), (24, 574655), (30, 459724), (38, 362940), (40, 344793), (46, 299820), (57, 241960), (60, 229862), (69, 199880), (76, 181470), (92, 149910), (95, 145176), (114, 120980), (115, 119928), (120, 114931), (138, 99940), (152, 90735), (184, 74955), (190, 72588), (228, 60490), (230, 59964), (263, 52440), (276, 49970), (285, 48392), (345, 39976), (380, 36294), (437, 31560), (456, 30245), (460, 29982), (526, 26220), (552, 24985), (570, 24196), (690, 19988), (760, 18147), (789, 17480), (874, 15780), (920, 14991), (1052, 13110), (1140, 12098), (1311, 10520), (1315, 10488), (1380, 9994), (1578, 8740), (1748, 7890), (2104, 6555), (2185, 6312), (2280, 6049), (2622, 5260), (2630, 5244), (2760, 4997), (3156, 4370), (3496, 3945)]