261483516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 787987200

約数和(自身を除く): 526503684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 59, 63, 84, 86, 118, 126, 129, 172, 177, 236, 252, 258, 301, 354, 387, 409, 413, 516, 531, 602, 708, 774, 818, 826, 903, 1062, 1204, 1227, 1239, 1548, 1636, 1652, 1806, 2124, 2454, 2478, 2537, 2709, 2863, 3612, 3681, 3717, 4908, 4956, 5074, 5418, 5726, 7362, 7434, 7611, 8589, 10148, 10836, 11452, 14724, 14868, 15222, 17178, 17587, 17759, 22833, 24131, 25767, 30444, 34356, 35174, 35518, 45666, 48262, 51534, 52761, 53277, 70348, 71036, 72393, 91332, 96524, 103068, 105522, 106554, 123109, 144786, 158283, 159831, 168917, 211044, 213108, 217179, 246218, 289572, 316566, 319662, 337834, 369327, 434358, 492436, 506751, 633132, 639324, 675668, 738654, 868716, 1013502, 1037633, 1107981, 1477308, 1520253, 2027004, 2075266, 2215962, 3040506, 3112899, 4150532, 4431924, 6081012, 6225798, 7263431, 9338697, 12451596, 14526862, 18677394, 21790293, 29053724, 37354788, 43580586, 65370879, 87161172, 130741758, 261483516]

約数ペア:

[(1, 261483516), (2, 130741758), (3, 87161172), (4, 65370879), (6, 43580586), (7, 37354788), (9, 29053724), (12, 21790293), (14, 18677394), (18, 14526862), (21, 12451596), (28, 9338697), (36, 7263431), (42, 6225798), (43, 6081012), (59, 4431924), (63, 4150532), (84, 3112899), (86, 3040506), (118, 2215962), (126, 2075266), (129, 2027004), (172, 1520253), (177, 1477308), (236, 1107981), (252, 1037633), (258, 1013502), (301, 868716), (354, 738654), (387, 675668), (409, 639324), (413, 633132), (516, 506751), (531, 492436), (602, 434358), (708, 369327), (774, 337834), (818, 319662), (826, 316566), (903, 289572), (1062, 246218), (1204, 217179), (1227, 213108), (1239, 211044), (1548, 168917), (1636, 159831), (1652, 158283), (1806, 144786), (2124, 123109), (2454, 106554), (2478, 105522), (2537, 103068), (2709, 96524), (2863, 91332), (3612, 72393), (3681, 71036), (3717, 70348), (4908, 53277), (4956, 52761), (5074, 51534), (5418, 48262), (5726, 45666), (7362, 35518), (7434, 35174), (7611, 34356), (8589, 30444), (10148, 25767), (10836, 24131), (11452, 22833), (14724, 17759), (14868, 17587), (15222, 17178)]