1277698890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:952

約数の個数: 128

約数和(自身を含む): 3494534400

約数和(自身を除く): 2216835510

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 269, 285, 390, 494, 538, 570, 641, 741, 807, 1235, 1282, 1345, 1482, 1614, 1923, 2470, 2690, 3205, 3497, 3705, 3846, 4035, 5111, 6410, 6994, 7410, 8070, 8333, 9615, 10222, 10491, 12179, 15333, 16666, 17485, 19230, 20982, 24358, 24999, 25555, 30666, 34970, 36537, 41665, 49998, 51110, 52455, 60895, 66443, 73074, 76665, 83330, 104910, 121790, 124995, 132886, 153330, 158327, 172429, 182685, 199329, 249990, 316654, 332215, 344858, 365370, 398658, 474981, 517287, 664430, 791635, 862145, 949962, 996645, 1034574, 1583270, 1724290, 1993290, 2241577, 2374905, 2586435, 3276151, 4483154, 4749810, 5172870, 6552302, 6724731, 9828453, 11207885, 13449462, 16380755, 19656906, 22415770, 32761510, 33623655, 42589963, 49142265, 67247310, 85179926, 98284530, 127769889, 212949815, 255539778, 425899630, 638849445, 1277698890]

約数ペア:

[(1, 1277698890), (2, 638849445), (3, 425899630), (5, 255539778), (6, 212949815), (10, 127769889), (13, 98284530), (15, 85179926), (19, 67247310), (26, 49142265), (30, 42589963), (38, 33623655), (39, 32761510), (57, 22415770), (65, 19656906), (78, 16380755), (95, 13449462), (114, 11207885), (130, 9828453), (190, 6724731), (195, 6552302), (247, 5172870), (269, 4749810), (285, 4483154), (390, 3276151), (494, 2586435), (538, 2374905), (570, 2241577), (641, 1993290), (741, 1724290), (807, 1583270), (1235, 1034574), (1282, 996645), (1345, 949962), (1482, 862145), (1614, 791635), (1923, 664430), (2470, 517287), (2690, 474981), (3205, 398658), (3497, 365370), (3705, 344858), (3846, 332215), (4035, 316654), (5111, 249990), (6410, 199329), (6994, 182685), (7410, 172429), (8070, 158327), (8333, 153330), (9615, 132886), (10222, 124995), (10491, 121790), (12179, 104910), (15333, 83330), (16666, 76665), (17485, 73074), (19230, 66443), (20982, 60895), (24358, 52455), (24999, 51110), (25555, 49998), (30666, 41665), (34970, 36537)]