71245980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 240

約数和(自身を含む): 256132800

約数和(自身を除く): 184886820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 199, 204, 221, 234, 255, 260, 270, 306, 324, 340, 351, 390, 398, 405, 442, 459, 468, 510, 540, 585, 597, 612, 663, 702, 765, 780, 796, 810, 884, 918, 995, 1020, 1053, 1105, 1170, 1194, 1326, 1377, 1404, 1530, 1620, 1755, 1791, 1836, 1989, 1990, 2106, 2210, 2295, 2340, 2388, 2587, 2652, 2754, 2985, 3060, 3315, 3383, 3510, 3582, 3978, 3980, 4212, 4420, 4590, 5174, 5265, 5373, 5508, 5967, 5970, 6630, 6766, 6885, 7020, 7164, 7761, 7956, 8955, 9180, 9945, 10149, 10348, 10530, 10746, 11934, 11940, 12935, 13260, 13532, 13770, 15522, 16119, 16915, 17901, 17910, 19890, 20298, 21060, 21492, 23283, 23868, 25870, 26865, 27540, 29835, 30447, 31044, 32238, 33830, 35802, 35820, 38805, 39780, 40596, 43979, 46566, 50745, 51740, 53730, 59670, 60894, 64476, 67660, 69849, 71604, 77610, 80595, 87958, 89505, 91341, 93132, 101490, 107460, 116415, 119340, 121788, 131937, 139698, 152235, 155220, 161190, 175916, 179010, 182682, 202980, 209547, 219895, 232830, 263874, 274023, 279396, 304470, 322380, 349245, 358020, 365364, 395811, 419094, 439790, 456705, 465660, 527748, 548046, 608940, 659685, 698490, 791622, 838188, 879580, 913410, 1047735, 1096092, 1187433, 1319370, 1370115, 1396980, 1583244, 1826820, 1979055, 2095470, 2374866, 2638740, 2740230, 3562299, 3958110, 4190940, 4749732, 5480460, 5937165, 7124598, 7916220, 11874330, 14249196, 17811495, 23748660, 35622990, 71245980]

約数ペア:

[(1, 71245980), (2, 35622990), (3, 23748660), (4, 17811495), (5, 14249196), (6, 11874330), (9, 7916220), (10, 7124598), (12, 5937165), (13, 5480460), (15, 4749732), (17, 4190940), (18, 3958110), (20, 3562299), (26, 2740230), (27, 2638740), (30, 2374866), (34, 2095470), (36, 1979055), (39, 1826820), (45, 1583244), (51, 1396980), (52, 1370115), (54, 1319370), (60, 1187433), (65, 1096092), (68, 1047735), (78, 913410), (81, 879580), (85, 838188), (90, 791622), (102, 698490), (108, 659685), (117, 608940), (130, 548046), (135, 527748), (153, 465660), (156, 456705), (162, 439790), (170, 419094), (180, 395811), (195, 365364), (199, 358020), (204, 349245), (221, 322380), (234, 304470), (255, 279396), (260, 274023), (270, 263874), (306, 232830), (324, 219895), (340, 209547), (351, 202980), (390, 182682), (398, 179010), (405, 175916), (442, 161190), (459, 155220), (468, 152235), (510, 139698), (540, 131937), (585, 121788), (597, 119340), (612, 116415), (663, 107460), (702, 101490), (765, 93132), (780, 91341), (796, 89505), (810, 87958), (884, 80595), (918, 77610), (995, 71604), (1020, 69849), (1053, 67660), (1105, 64476), (1170, 60894), (1194, 59670), (1326, 53730), (1377, 51740), (1404, 50745), (1530, 46566), (1620, 43979), (1755, 40596), (1791, 39780), (1836, 38805), (1989, 35820), (1990, 35802), (2106, 33830), (2210, 32238), (2295, 31044), (2340, 30447), (2388, 29835), (2587, 27540), (2652, 26865), (2754, 25870), (2985, 23868), (3060, 23283), (3315, 21492), (3383, 21060), (3510, 20298), (3582, 19890), (3978, 17910), (3980, 17901), (4212, 16915), (4420, 16119), (4590, 15522), (5174, 13770), (5265, 13532), (5373, 13260), (5508, 12935), (5967, 11940), (5970, 11934), (6630, 10746), (6766, 10530), (6885, 10348), (7020, 10149), (7164, 9945), (7761, 9180), (7956, 8955)]