855274140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:606

約数の個数: 240

約数和(自身を含む): 3089856000

約数和(自身を除く): 2234581860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 199, 210, 252, 270, 315, 324, 378, 379, 398, 405, 420, 540, 567, 597, 630, 756, 758, 796, 810, 945, 995, 1134, 1137, 1194, 1260, 1393, 1516, 1620, 1791, 1890, 1895, 1990, 2268, 2274, 2388, 2653, 2786, 2835, 2985, 3411, 3582, 3780, 3790, 3980, 4179, 4548, 5306, 5373, 5572, 5670, 5685, 5970, 6822, 6965, 7164, 7580, 7959, 8358, 8955, 10233, 10612, 10746, 11340, 11370, 11940, 12537, 13265, 13644, 13930, 15918, 16119, 16716, 17055, 17910, 20466, 20895, 21492, 22740, 23877, 25074, 26530, 26865, 27860, 30699, 31836, 32238, 34110, 35820, 37611, 39795, 40932, 41790, 47754, 50148, 51165, 53060, 53730, 61398, 62685, 64476, 68220, 71631, 75222, 75421, 79590, 80595, 83580, 95508, 102330, 107460, 112833, 119385, 122796, 125370, 143262, 150444, 150842, 153495, 159180, 161190, 188055, 204660, 214893, 225666, 226263, 238770, 250740, 286524, 301684, 306990, 322380, 358155, 376110, 377105, 429786, 451332, 452526, 477540, 527947, 564165, 613980, 678789, 716310, 752220, 754210, 859572, 905052, 1055894, 1074465, 1128330, 1131315, 1357578, 1432620, 1508420, 1583841, 2036367, 2111788, 2148930, 2256660, 2262630, 2639735, 2715156, 3167682, 3393945, 4072734, 4297860, 4525260, 4751523, 5279470, 6109101, 6335364, 6787890, 7919205, 8145468, 9503046, 10181835, 10558940, 12218202, 13575780, 14254569, 15838410, 19006092, 20363670, 23757615, 24436404, 28509138, 30545505, 31676820, 40727340, 42763707, 47515230, 57018276, 61091010, 71272845, 85527414, 95030460, 122182020, 142545690, 171054828, 213818535, 285091380, 427637070, 855274140]

約数ペア:

[(1, 855274140), (2, 427637070), (3, 285091380), (4, 213818535), (5, 171054828), (6, 142545690), (7, 122182020), (9, 95030460), (10, 85527414), (12, 71272845), (14, 61091010), (15, 57018276), (18, 47515230), (20, 42763707), (21, 40727340), (27, 31676820), (28, 30545505), (30, 28509138), (35, 24436404), (36, 23757615), (42, 20363670), (45, 19006092), (54, 15838410), (60, 14254569), (63, 13575780), (70, 12218202), (81, 10558940), (84, 10181835), (90, 9503046), (105, 8145468), (108, 7919205), (126, 6787890), (135, 6335364), (140, 6109101), (162, 5279470), (180, 4751523), (189, 4525260), (199, 4297860), (210, 4072734), (252, 3393945), (270, 3167682), (315, 2715156), (324, 2639735), (378, 2262630), (379, 2256660), (398, 2148930), (405, 2111788), (420, 2036367), (540, 1583841), (567, 1508420), (597, 1432620), (630, 1357578), (756, 1131315), (758, 1128330), (796, 1074465), (810, 1055894), (945, 905052), (995, 859572), (1134, 754210), (1137, 752220), (1194, 716310), (1260, 678789), (1393, 613980), (1516, 564165), (1620, 527947), (1791, 477540), (1890, 452526), (1895, 451332), (1990, 429786), (2268, 377105), (2274, 376110), (2388, 358155), (2653, 322380), (2786, 306990), (2835, 301684), (2985, 286524), (3411, 250740), (3582, 238770), (3780, 226263), (3790, 225666), (3980, 214893), (4179, 204660), (4548, 188055), (5306, 161190), (5373, 159180), (5572, 153495), (5670, 150842), (5685, 150444), (5970, 143262), (6822, 125370), (6965, 122796), (7164, 119385), (7580, 112833), (7959, 107460), (8358, 102330), (8955, 95508), (10233, 83580), (10612, 80595), (10746, 79590), (11340, 75421), (11370, 75222), (11940, 71631), (12537, 68220), (13265, 64476), (13644, 62685), (13930, 61398), (15918, 53730), (16119, 53060), (16716, 51165), (17055, 50148), (17910, 47754), (20466, 41790), (20895, 40932), (21492, 39795), (22740, 37611), (23877, 35820), (25074, 34110), (26530, 32238), (26865, 31836), (27860, 30699)]