2540691720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3923}}^1$

素因数の和:4204

約数の個数: 192

約数和(自身を含む): 9475989120

約数和(自身を除く): 6935297400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 257, 280, 315, 360, 420, 504, 514, 630, 771, 840, 1028, 1260, 1285, 1542, 1799, 2056, 2313, 2520, 2570, 3084, 3598, 3855, 3923, 4626, 5140, 5397, 6168, 7196, 7710, 7846, 8995, 9252, 10280, 10794, 11565, 11769, 14392, 15420, 15692, 16191, 17990, 18504, 19615, 21588, 23130, 23538, 26985, 27461, 30840, 31384, 32382, 35307, 35980, 39230, 43176, 46260, 47076, 53970, 54922, 58845, 64764, 70614, 71960, 78460, 80955, 82383, 92520, 94152, 107940, 109844, 117690, 129528, 137305, 141228, 156920, 161910, 164766, 176535, 215880, 219688, 235380, 247149, 274610, 282456, 323820, 329532, 353070, 411915, 470760, 494298, 549220, 647640, 659064, 706140, 823830, 988596, 1008211, 1098440, 1235745, 1412280, 1647660, 1977192, 2016422, 2471490, 3024633, 3295320, 4032844, 4942980, 5041055, 6049266, 7057477, 8065688, 9073899, 9885960, 10082110, 12098532, 14114954, 15123165, 18147798, 20164220, 21172431, 24197064, 28229908, 30246330, 35287385, 36295596, 40328440, 42344862, 45369495, 56459816, 60492660, 63517293, 70574770, 72591192, 84689724, 90738990, 105862155, 120985320, 127034586, 141149540, 169379448, 181477980, 211724310, 254069172, 282299080, 317586465, 362955960, 423448620, 508138344, 635172930, 846897240, 1270345860, 2540691720]

約数ペア:

[(1, 2540691720), (2, 1270345860), (3, 846897240), (4, 635172930), (5, 508138344), (6, 423448620), (7, 362955960), (8, 317586465), (9, 282299080), (10, 254069172), (12, 211724310), (14, 181477980), (15, 169379448), (18, 141149540), (20, 127034586), (21, 120985320), (24, 105862155), (28, 90738990), (30, 84689724), (35, 72591192), (36, 70574770), (40, 63517293), (42, 60492660), (45, 56459816), (56, 45369495), (60, 42344862), (63, 40328440), (70, 36295596), (72, 35287385), (84, 30246330), (90, 28229908), (105, 24197064), (120, 21172431), (126, 20164220), (140, 18147798), (168, 15123165), (180, 14114954), (210, 12098532), (252, 10082110), (257, 9885960), (280, 9073899), (315, 8065688), (360, 7057477), (420, 6049266), (504, 5041055), (514, 4942980), (630, 4032844), (771, 3295320), (840, 3024633), (1028, 2471490), (1260, 2016422), (1285, 1977192), (1542, 1647660), (1799, 1412280), (2056, 1235745), (2313, 1098440), (2520, 1008211), (2570, 988596), (3084, 823830), (3598, 706140), (3855, 659064), (3923, 647640), (4626, 549220), (5140, 494298), (5397, 470760), (6168, 411915), (7196, 353070), (7710, 329532), (7846, 323820), (8995, 282456), (9252, 274610), (10280, 247149), (10794, 235380), (11565, 219688), (11769, 215880), (14392, 176535), (15420, 164766), (15692, 161910), (16191, 156920), (17990, 141228), (18504, 137305), (19615, 129528), (21588, 117690), (23130, 109844), (23538, 107940), (26985, 94152), (27461, 92520), (30840, 82383), (31384, 80955), (32382, 78460), (35307, 71960), (35980, 70614), (39230, 64764), (43176, 58845), (46260, 54922), (47076, 53970)]