255020640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1165

約数の個数: 192

約数和(自身を含む): 931875840

約数和(自身を除く): 676855200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 210, 213, 224, 240, 280, 284, 336, 355, 420, 426, 480, 497, 560, 568, 672, 710, 840, 852, 994, 1065, 1069, 1120, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2138, 2272, 2485, 2840, 2982, 3207, 3360, 3408, 3976, 4260, 4276, 4970, 5345, 5680, 5964, 6414, 6816, 7455, 7483, 7952, 8520, 8552, 9940, 10690, 11360, 11928, 12828, 14910, 14966, 15904, 16035, 17040, 17104, 19880, 21380, 22449, 23856, 25656, 29820, 29932, 32070, 34080, 34208, 37415, 39760, 42760, 44898, 47712, 51312, 59640, 59864, 64140, 74830, 75899, 79520, 85520, 89796, 102624, 112245, 119280, 119728, 128280, 149660, 151798, 171040, 179592, 224490, 227697, 238560, 239456, 256560, 299320, 303596, 359184, 379495, 448980, 455394, 513120, 531293, 598640, 607192, 718368, 758990, 897960, 910788, 1062586, 1138485, 1197280, 1214384, 1517980, 1593879, 1795920, 1821576, 2125172, 2276970, 2428768, 2656465, 3035960, 3187758, 3591840, 3643152, 4250344, 4553940, 5312930, 6071920, 6375516, 7286304, 7969395, 8500688, 9107880, 10625860, 12143840, 12751032, 15938790, 17001376, 18215760, 21251720, 25502064, 31877580, 36431520, 42503440, 51004128, 63755160, 85006880, 127510320, 255020640]

約数ペア:

[(1, 255020640), (2, 127510320), (3, 85006880), (4, 63755160), (5, 51004128), (6, 42503440), (7, 36431520), (8, 31877580), (10, 25502064), (12, 21251720), (14, 18215760), (15, 17001376), (16, 15938790), (20, 12751032), (21, 12143840), (24, 10625860), (28, 9107880), (30, 8500688), (32, 7969395), (35, 7286304), (40, 6375516), (42, 6071920), (48, 5312930), (56, 4553940), (60, 4250344), (70, 3643152), (71, 3591840), (80, 3187758), (84, 3035960), (96, 2656465), (105, 2428768), (112, 2276970), (120, 2125172), (140, 1821576), (142, 1795920), (160, 1593879), (168, 1517980), (210, 1214384), (213, 1197280), (224, 1138485), (240, 1062586), (280, 910788), (284, 897960), (336, 758990), (355, 718368), (420, 607192), (426, 598640), (480, 531293), (497, 513120), (560, 455394), (568, 448980), (672, 379495), (710, 359184), (840, 303596), (852, 299320), (994, 256560), (1065, 239456), (1069, 238560), (1120, 227697), (1136, 224490), (1420, 179592), (1491, 171040), (1680, 151798), (1704, 149660), (1988, 128280), (2130, 119728), (2138, 119280), (2272, 112245), (2485, 102624), (2840, 89796), (2982, 85520), (3207, 79520), (3360, 75899), (3408, 74830), (3976, 64140), (4260, 59864), (4276, 59640), (4970, 51312), (5345, 47712), (5680, 44898), (5964, 42760), (6414, 39760), (6816, 37415), (7455, 34208), (7483, 34080), (7952, 32070), (8520, 29932), (8552, 29820), (9940, 25656), (10690, 23856), (11360, 22449), (11928, 21380), (12828, 19880), (14910, 17104), (14966, 17040), (15904, 16035)]