261226728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{877}}^1$

素因数の和:1096

約数の個数: 128

約数和(自身を含む): 834451200

約数和(自身を除く): 573224472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 197, 216, 252, 378, 394, 504, 591, 756, 788, 877, 1182, 1379, 1512, 1576, 1754, 1773, 2364, 2631, 2758, 3508, 3546, 4137, 4728, 5262, 5319, 5516, 6139, 7016, 7092, 7893, 8274, 10524, 10638, 11032, 12278, 12411, 14184, 15786, 16548, 18417, 21048, 21276, 23679, 24556, 24822, 31572, 33096, 36834, 37233, 42552, 47358, 49112, 49644, 55251, 63144, 73668, 74466, 94716, 99288, 110502, 147336, 148932, 165753, 172769, 189432, 221004, 297864, 331506, 345538, 442008, 518307, 663012, 691076, 1036614, 1209383, 1326024, 1382152, 1554921, 2073228, 2418766, 3109842, 3628149, 4146456, 4664763, 4837532, 6219684, 7256298, 9329526, 9675064, 10884447, 12439368, 14512596, 18659052, 21768894, 29025192, 32653341, 37318104, 43537788, 65306682, 87075576, 130613364, 261226728]

約数ペア:

[(1, 261226728), (2, 130613364), (3, 87075576), (4, 65306682), (6, 43537788), (7, 37318104), (8, 32653341), (9, 29025192), (12, 21768894), (14, 18659052), (18, 14512596), (21, 12439368), (24, 10884447), (27, 9675064), (28, 9329526), (36, 7256298), (42, 6219684), (54, 4837532), (56, 4664763), (63, 4146456), (72, 3628149), (84, 3109842), (108, 2418766), (126, 2073228), (168, 1554921), (189, 1382152), (197, 1326024), (216, 1209383), (252, 1036614), (378, 691076), (394, 663012), (504, 518307), (591, 442008), (756, 345538), (788, 331506), (877, 297864), (1182, 221004), (1379, 189432), (1512, 172769), (1576, 165753), (1754, 148932), (1773, 147336), (2364, 110502), (2631, 99288), (2758, 94716), (3508, 74466), (3546, 73668), (4137, 63144), (4728, 55251), (5262, 49644), (5319, 49112), (5516, 47358), (6139, 42552), (7016, 37233), (7092, 36834), (7893, 33096), (8274, 31572), (10524, 24822), (10638, 24556), (11032, 23679), (12278, 21276), (12411, 21048), (14184, 18417), (15786, 16548)]