261318330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31907}}^1$

素因数の和:31940

約数の個数: 96

約数和(自身を含む): 836244864

約数和(自身を除く): 574926534

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 31907, 63814, 95721, 159535, 191442, 223349, 287163, 319070, 414791, 446698, 478605, 574326, 670047, 829582, 957210, 1116745, 1244373, 1340094, 1435815, 2010141, 2073955, 2233490, 2488746, 2871630, 2903537, 3350235, 3733119, 4020282, 4147910, 5807074, 6221865, 6700470, 7466238, 8710611, 10050705, 12443730, 14517685, 17421222, 18665595, 20101410, 26131833, 29035370, 37331190, 43553055, 52263666, 87106110, 130659165, 261318330]

約数ペア:

[(1, 261318330), (2, 130659165), (3, 87106110), (5, 52263666), (6, 43553055), (7, 37331190), (9, 29035370), (10, 26131833), (13, 20101410), (14, 18665595), (15, 17421222), (18, 14517685), (21, 12443730), (26, 10050705), (30, 8710611), (35, 7466238), (39, 6700470), (42, 6221865), (45, 5807074), (63, 4147910), (65, 4020282), (70, 3733119), (78, 3350235), (90, 2903537), (91, 2871630), (105, 2488746), (117, 2233490), (126, 2073955), (130, 2010141), (182, 1435815), (195, 1340094), (210, 1244373), (234, 1116745), (273, 957210), (315, 829582), (390, 670047), (455, 574326), (546, 478605), (585, 446698), (630, 414791), (819, 319070), (910, 287163), (1170, 223349), (1365, 191442), (1638, 159535), (2730, 95721), (4095, 63814), (8190, 31907)]