81621398064

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:712

約数の個数: 240

約数和(自身を含む): 230037360000

約数和(自身を除く): 148415961936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 97, 114, 129, 152, 172, 194, 228, 258, 291, 304, 344, 388, 456, 499, 516, 582, 688, 776, 817, 912, 998, 1032, 1164, 1497, 1552, 1634, 1843, 1849, 1996, 2064, 2328, 2451, 2994, 3268, 3686, 3698, 3992, 4171, 4656, 4902, 5529, 5547, 5988, 6536, 7372, 7396, 7984, 8342, 9481, 9804, 11058, 11094, 11976, 12513, 13072, 14744, 14792, 16684, 18962, 19608, 21457, 22116, 22188, 23952, 25026, 28443, 29488, 29584, 33368, 35131, 37924, 39216, 42914, 44232, 44376, 48403, 50052, 56886, 64371, 66736, 70262, 75848, 79249, 85828, 88464, 88752, 96806, 100104, 105393, 113772, 128742, 140524, 145209, 151696, 158498, 171656, 179353, 193612, 200208, 210786, 227544, 237747, 257484, 281048, 290418, 316996, 343312, 358706, 387224, 407683, 421572, 455088, 475494, 514968, 538059, 562096, 580836, 633992, 717412, 774448, 815366, 843144, 919657, 922651, 950988, 1029936, 1076118, 1161672, 1223049, 1267984, 1434824, 1630732, 1686288, 1839314, 1845302, 1901976, 2081329, 2152236, 2323344, 2446098, 2758971, 2767953, 2869648, 3261464, 3407707, 3678628, 3690604, 3803952, 4162658, 4304472, 4892196, 5517942, 5535906, 6243987, 6522928, 6815414, 7357256, 7381208, 8325316, 8608944, 9784392, 10223121, 11035884, 11071812, 12487974, 13630828, 14714512, 14762416, 16650632, 17530369, 19568784, 20446242, 22071768, 22143624, 24975948, 27261656, 33301264, 35060738, 39545251, 40892484, 44143536, 44287248, 49951896, 52591107, 54523312, 70121476, 79090502, 81784968, 89497147, 99903792, 105182214, 118635753, 140242952, 158181004, 163569936, 178994294, 210364428, 237271506, 268491441, 280485904, 316362008, 357988588, 420728856, 474543012, 536982882, 632724016, 715977176, 841457712, 949086024, 1073965764, 1431954352, 1700445793, 1898172048, 2147931528, 3400891586, 4295863056, 5101337379, 6801783172, 10202674758, 13603566344, 20405349516, 27207132688, 40810699032, 81621398064]

約数ペア:

[(1, 81621398064), (2, 40810699032), (3, 27207132688), (4, 20405349516), (6, 13603566344), (8, 10202674758), (12, 6801783172), (16, 5101337379), (19, 4295863056), (24, 3400891586), (38, 2147931528), (43, 1898172048), (48, 1700445793), (57, 1431954352), (76, 1073965764), (86, 949086024), (97, 841457712), (114, 715977176), (129, 632724016), (152, 536982882), (172, 474543012), (194, 420728856), (228, 357988588), (258, 316362008), (291, 280485904), (304, 268491441), (344, 237271506), (388, 210364428), (456, 178994294), (499, 163569936), (516, 158181004), (582, 140242952), (688, 118635753), (776, 105182214), (817, 99903792), (912, 89497147), (998, 81784968), (1032, 79090502), (1164, 70121476), (1497, 54523312), (1552, 52591107), (1634, 49951896), (1843, 44287248), (1849, 44143536), (1996, 40892484), (2064, 39545251), (2328, 35060738), (2451, 33301264), (2994, 27261656), (3268, 24975948), (3686, 22143624), (3698, 22071768), (3992, 20446242), (4171, 19568784), (4656, 17530369), (4902, 16650632), (5529, 14762416), (5547, 14714512), (5988, 13630828), (6536, 12487974), (7372, 11071812), (7396, 11035884), (7984, 10223121), (8342, 9784392), (9481, 8608944), (9804, 8325316), (11058, 7381208), (11094, 7357256), (11976, 6815414), (12513, 6522928), (13072, 6243987), (14744, 5535906), (14792, 5517942), (16684, 4892196), (18962, 4304472), (19608, 4162658), (21457, 3803952), (22116, 3690604), (22188, 3678628), (23952, 3407707), (25026, 3261464), (28443, 2869648), (29488, 2767953), (29584, 2758971), (33368, 2446098), (35131, 2323344), (37924, 2152236), (39216, 2081329), (42914, 1901976), (44232, 1845302), (44376, 1839314), (48403, 1686288), (50052, 1630732), (56886, 1434824), (64371, 1267984), (66736, 1223049), (70262, 1161672), (75848, 1076118), (79249, 1029936), (85828, 950988), (88464, 922651), (88752, 919657), (96806, 843144), (100104, 815366), (105393, 774448), (113772, 717412), (128742, 633992), (140524, 580836), (145209, 562096), (151696, 538059), (158498, 514968), (171656, 475494), (179353, 455088), (193612, 421572), (200208, 407683), (210786, 387224), (227544, 358706), (237747, 343312), (257484, 316996), (281048, 290418)]