251416620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15349}}^1$

素因数の和:15384

約数の個数: 144

約数和(自身を含む): 938683200

約数和(自身を除く): 687266580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15349, 16380, 30698, 46047, 61396, 76745, 92094, 107443, 138141, 153490, 184188, 199537, 214886, 230235, 276282, 306980, 322329, 399074, 429772, 460470, 537215, 552564, 598611, 644658, 690705, 798148, 920940, 966987, 997685, 1074430, 1197222, 1289316, 1381410, 1396759, 1611645, 1795833, 1933974, 1995370, 2148860, 2394444, 2762820, 2793518, 2993055, 3223290, 3591666, 3867948, 3990740, 4190277, 4834935, 5587036, 5986110, 6446580, 6983795, 7183332, 8380554, 8979165, 9669870, 11972220, 12570831, 13967590, 16761108, 17958330, 19339740, 20951385, 25141662, 27935180, 35916660, 41902770, 50283324, 62854155, 83805540, 125708310, 251416620]

約数ペア:

[(1, 251416620), (2, 125708310), (3, 83805540), (4, 62854155), (5, 50283324), (6, 41902770), (7, 35916660), (9, 27935180), (10, 25141662), (12, 20951385), (13, 19339740), (14, 17958330), (15, 16761108), (18, 13967590), (20, 12570831), (21, 11972220), (26, 9669870), (28, 8979165), (30, 8380554), (35, 7183332), (36, 6983795), (39, 6446580), (42, 5986110), (45, 5587036), (52, 4834935), (60, 4190277), (63, 3990740), (65, 3867948), (70, 3591666), (78, 3223290), (84, 2993055), (90, 2793518), (91, 2762820), (105, 2394444), (117, 2148860), (126, 1995370), (130, 1933974), (140, 1795833), (156, 1611645), (180, 1396759), (182, 1381410), (195, 1289316), (210, 1197222), (234, 1074430), (252, 997685), (260, 966987), (273, 920940), (315, 798148), (364, 690705), (390, 644658), (420, 598611), (455, 552564), (468, 537215), (546, 460470), (585, 429772), (630, 399074), (780, 322329), (819, 306980), (910, 276282), (1092, 230235), (1170, 214886), (1260, 199537), (1365, 184188), (1638, 153490), (1820, 138141), (2340, 107443), (2730, 92094), (3276, 76745), (4095, 61396), (5460, 46047), (8190, 30698), (15349, 16380)]