81619776

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 168

約数和(自身を含む): 276417024

約数和(自身を除く): 194797248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 192, 217, 224, 248, 252, 279, 288, 336, 372, 434, 448, 496, 504, 558, 576, 651, 653, 672, 744, 868, 992, 1008, 1116, 1302, 1306, 1344, 1488, 1736, 1953, 1959, 1984, 2016, 2232, 2604, 2612, 2976, 3472, 3906, 3918, 4032, 4464, 4571, 5208, 5224, 5877, 5952, 6944, 7812, 7836, 8928, 9142, 10416, 10448, 11754, 13713, 13888, 15624, 15672, 17856, 18284, 20243, 20832, 20896, 23508, 27426, 31248, 31344, 36568, 40486, 41139, 41664, 41792, 47016, 54852, 60729, 62496, 62688, 73136, 80972, 82278, 94032, 109704, 121458, 124992, 125376, 141701, 146272, 161944, 164556, 182187, 188064, 219408, 242916, 283402, 292544, 323888, 329112, 364374, 376128, 425103, 438816, 485832, 566804, 647776, 658224, 728748, 850206, 877632, 971664, 1133608, 1275309, 1295552, 1316448, 1457496, 1700412, 1943328, 2267216, 2550618, 2632896, 2914992, 3400824, 3886656, 4534432, 5101236, 5829984, 6801648, 9068864, 10202472, 11659968, 13603296, 20404944, 27206592, 40809888, 81619776]

約数ペア:

[(1, 81619776), (2, 40809888), (3, 27206592), (4, 20404944), (6, 13603296), (7, 11659968), (8, 10202472), (9, 9068864), (12, 6801648), (14, 5829984), (16, 5101236), (18, 4534432), (21, 3886656), (24, 3400824), (28, 2914992), (31, 2632896), (32, 2550618), (36, 2267216), (42, 1943328), (48, 1700412), (56, 1457496), (62, 1316448), (63, 1295552), (64, 1275309), (72, 1133608), (84, 971664), (93, 877632), (96, 850206), (112, 728748), (124, 658224), (126, 647776), (144, 566804), (168, 485832), (186, 438816), (192, 425103), (217, 376128), (224, 364374), (248, 329112), (252, 323888), (279, 292544), (288, 283402), (336, 242916), (372, 219408), (434, 188064), (448, 182187), (496, 164556), (504, 161944), (558, 146272), (576, 141701), (651, 125376), (653, 124992), (672, 121458), (744, 109704), (868, 94032), (992, 82278), (1008, 80972), (1116, 73136), (1302, 62688), (1306, 62496), (1344, 60729), (1488, 54852), (1736, 47016), (1953, 41792), (1959, 41664), (1984, 41139), (2016, 40486), (2232, 36568), (2604, 31344), (2612, 31248), (2976, 27426), (3472, 23508), (3906, 20896), (3918, 20832), (4032, 20243), (4464, 18284), (4571, 17856), (5208, 15672), (5224, 15624), (5877, 13888), (5952, 13713), (6944, 11754), (7812, 10448), (7836, 10416), (8928, 9142)]