71847720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4073}}^1$

素因数の和:4104

約数の個数: 144

約数和(自身を含む): 271695060

約数和(自身を除く): 199847340

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, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4073, 4410, 5880, 8146, 8820, 12219, 16292, 17640, 20365, 24438, 28511, 32584, 36657, 40730, 48876, 57022, 61095, 73314, 81460, 85533, 97752, 114044, 122190, 142555, 146628, 162920, 171066, 183285, 199577, 228088, 244380, 256599, 285110, 293256, 342132, 366570, 399154, 427665, 488760, 513198, 570220, 598731, 684264, 733140, 798308, 855330, 997885, 1026396, 1140440, 1197462, 1282995, 1466280, 1596616, 1710660, 1796193, 1995770, 2052792, 2394924, 2565990, 2993655, 3421320, 3592386, 3991540, 4789848, 5131980, 5987310, 7184772, 7983080, 8980965, 10263960, 11974620, 14369544, 17961930, 23949240, 35923860, 71847720]

約数ペア:

[(1, 71847720), (2, 35923860), (3, 23949240), (4, 17961930), (5, 14369544), (6, 11974620), (7, 10263960), (8, 8980965), (9, 7983080), (10, 7184772), (12, 5987310), (14, 5131980), (15, 4789848), (18, 3991540), (20, 3592386), (21, 3421320), (24, 2993655), (28, 2565990), (30, 2394924), (35, 2052792), (36, 1995770), (40, 1796193), (42, 1710660), (45, 1596616), (49, 1466280), (56, 1282995), (60, 1197462), (63, 1140440), (70, 1026396), (72, 997885), (84, 855330), (90, 798308), (98, 733140), (105, 684264), (120, 598731), (126, 570220), (140, 513198), (147, 488760), (168, 427665), (180, 399154), (196, 366570), (210, 342132), (245, 293256), (252, 285110), (280, 256599), (294, 244380), (315, 228088), (360, 199577), (392, 183285), (420, 171066), (441, 162920), (490, 146628), (504, 142555), (588, 122190), (630, 114044), (735, 97752), (840, 85533), (882, 81460), (980, 73314), (1176, 61095), (1260, 57022), (1470, 48876), (1764, 40730), (1960, 36657), (2205, 32584), (2520, 28511), (2940, 24438), (3528, 20365), (4073, 17640), (4410, 16292), (5880, 12219), (8146, 8820)]