25504710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 77995008

約数和(自身を除く): 52490298

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 61, 66, 70, 77, 105, 110, 122, 154, 165, 181, 183, 210, 231, 305, 330, 362, 366, 385, 427, 462, 543, 610, 671, 770, 854, 905, 915, 1086, 1155, 1267, 1281, 1342, 1810, 1830, 1991, 2013, 2135, 2310, 2534, 2562, 2715, 3355, 3801, 3982, 4026, 4270, 4697, 5430, 5973, 6335, 6405, 6710, 7602, 9394, 9955, 10065, 11041, 11946, 12670, 12810, 13937, 14091, 19005, 19910, 20130, 22082, 23485, 27874, 28182, 29865, 33123, 38010, 41811, 46970, 55205, 59730, 66246, 69685, 70455, 77287, 83622, 110410, 121451, 139370, 140910, 154574, 165615, 209055, 231861, 242902, 331230, 364353, 386435, 418110, 463722, 607255, 728706, 772870, 850157, 1159305, 1214510, 1700314, 1821765, 2318610, 2550471, 3643530, 4250785, 5100942, 8501570, 12752355, 25504710]

約数ペア:

[(1, 25504710), (2, 12752355), (3, 8501570), (5, 5100942), (6, 4250785), (7, 3643530), (10, 2550471), (11, 2318610), (14, 1821765), (15, 1700314), (21, 1214510), (22, 1159305), (30, 850157), (33, 772870), (35, 728706), (42, 607255), (55, 463722), (61, 418110), (66, 386435), (70, 364353), (77, 331230), (105, 242902), (110, 231861), (122, 209055), (154, 165615), (165, 154574), (181, 140910), (183, 139370), (210, 121451), (231, 110410), (305, 83622), (330, 77287), (362, 70455), (366, 69685), (385, 66246), (427, 59730), (462, 55205), (543, 46970), (610, 41811), (671, 38010), (770, 33123), (854, 29865), (905, 28182), (915, 27874), (1086, 23485), (1155, 22082), (1267, 20130), (1281, 19910), (1342, 19005), (1810, 14091), (1830, 13937), (1991, 12810), (2013, 12670), (2135, 11946), (2310, 11041), (2534, 10065), (2562, 9955), (2715, 9394), (3355, 7602), (3801, 6710), (3982, 6405), (4026, 6335), (4270, 5973), (4697, 5430)]