16441380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 38595420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 199, 204, 243, 255, 270, 306, 324, 340, 398, 405, 459, 486, 510, 540, 597, 612, 765, 796, 810, 918, 972, 995, 1020, 1194, 1215, 1377, 1530, 1620, 1791, 1836, 1990, 2295, 2388, 2430, 2754, 2985, 3060, 3383, 3582, 3980, 4131, 4590, 4860, 5373, 5508, 5970, 6766, 6885, 7164, 8262, 8955, 9180, 10149, 10746, 11940, 13532, 13770, 16119, 16524, 16915, 17910, 20298, 20655, 21492, 26865, 27540, 30447, 32238, 33830, 35820, 40596, 41310, 48357, 50745, 53730, 60894, 64476, 67660, 80595, 82620, 91341, 96714, 101490, 107460, 121788, 152235, 161190, 182682, 193428, 202980, 241785, 274023, 304470, 322380, 365364, 456705, 483570, 548046, 608940, 822069, 913410, 967140, 1096092, 1370115, 1644138, 1826820, 2740230, 3288276, 4110345, 5480460, 8220690, 16441380]

約数ペア:

[(1, 16441380), (2, 8220690), (3, 5480460), (4, 4110345), (5, 3288276), (6, 2740230), (9, 1826820), (10, 1644138), (12, 1370115), (15, 1096092), (17, 967140), (18, 913410), (20, 822069), (27, 608940), (30, 548046), (34, 483570), (36, 456705), (45, 365364), (51, 322380), (54, 304470), (60, 274023), (68, 241785), (81, 202980), (85, 193428), (90, 182682), (102, 161190), (108, 152235), (135, 121788), (153, 107460), (162, 101490), (170, 96714), (180, 91341), (199, 82620), (204, 80595), (243, 67660), (255, 64476), (270, 60894), (306, 53730), (324, 50745), (340, 48357), (398, 41310), (405, 40596), (459, 35820), (486, 33830), (510, 32238), (540, 30447), (597, 27540), (612, 26865), (765, 21492), (796, 20655), (810, 20298), (918, 17910), (972, 16915), (995, 16524), (1020, 16119), (1194, 13770), (1215, 13532), (1377, 11940), (1530, 10746), (1620, 10149), (1791, 9180), (1836, 8955), (1990, 8262), (2295, 7164), (2388, 6885), (2430, 6766), (2754, 5970), (2985, 5508), (3060, 5373), (3383, 4860), (3582, 4590), (3980, 4131)]