780792040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3983

約数の個数: 128

約数和(自身を含む): 2163179520

約数和(自身を除く): 1382387480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 1085, 1240, 1288, 1426, 1610, 1736, 2170, 2852, 3220, 3565, 3911, 4340, 4991, 5704, 6440, 7130, 7822, 8680, 9982, 14260, 15644, 19555, 19964, 24955, 27377, 28520, 31288, 39110, 39928, 49910, 54754, 78220, 89953, 99820, 109508, 121241, 136885, 156440, 179906, 199640, 219016, 242482, 273770, 359812, 449765, 484964, 547540, 606205, 629671, 719624, 848687, 899530, 969928, 1095080, 1212410, 1259342, 1697374, 1799060, 2424820, 2518684, 2788543, 3148355, 3394748, 3598120, 4243435, 4849640, 5037368, 5577086, 6296710, 6789496, 8486870, 11154172, 12593420, 13942715, 16973740, 19519801, 22308344, 25186840, 27885430, 33947480, 39039602, 55770860, 78079204, 97599005, 111541720, 156158408, 195198010, 390396020, 780792040]

約数ペア:

[(1, 780792040), (2, 390396020), (4, 195198010), (5, 156158408), (7, 111541720), (8, 97599005), (10, 78079204), (14, 55770860), (20, 39039602), (23, 33947480), (28, 27885430), (31, 25186840), (35, 22308344), (40, 19519801), (46, 16973740), (56, 13942715), (62, 12593420), (70, 11154172), (92, 8486870), (115, 6789496), (124, 6296710), (140, 5577086), (155, 5037368), (161, 4849640), (184, 4243435), (217, 3598120), (230, 3394748), (248, 3148355), (280, 2788543), (310, 2518684), (322, 2424820), (434, 1799060), (460, 1697374), (620, 1259342), (644, 1212410), (713, 1095080), (805, 969928), (868, 899530), (920, 848687), (1085, 719624), (1240, 629671), (1288, 606205), (1426, 547540), (1610, 484964), (1736, 449765), (2170, 359812), (2852, 273770), (3220, 242482), (3565, 219016), (3911, 199640), (4340, 179906), (4991, 156440), (5704, 136885), (6440, 121241), (7130, 109508), (7822, 99820), (8680, 89953), (9982, 78220), (14260, 54754), (15644, 49910), (19555, 39928), (19964, 39110), (24955, 31288), (27377, 28520)]