255957780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 192

約数和(自身を含む): 829785600

約数和(自身を除く): 573827820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 97, 102, 130, 156, 170, 194, 195, 199, 204, 221, 255, 260, 291, 340, 388, 390, 398, 442, 485, 510, 582, 597, 663, 780, 796, 884, 970, 995, 1020, 1105, 1164, 1194, 1261, 1326, 1455, 1649, 1940, 1990, 2210, 2388, 2522, 2587, 2652, 2910, 2985, 3298, 3315, 3383, 3783, 3980, 4420, 4947, 5044, 5174, 5820, 5970, 6305, 6596, 6630, 6766, 7566, 7761, 8245, 9894, 10149, 10348, 11940, 12610, 12935, 13260, 13532, 15132, 15522, 16490, 16915, 18915, 19303, 19788, 20298, 21437, 24735, 25220, 25870, 31044, 32980, 33830, 37830, 38606, 38805, 40596, 42874, 43979, 49470, 50745, 51740, 57909, 64311, 67660, 75660, 77212, 77610, 85748, 87958, 96515, 98940, 101490, 107185, 115818, 128622, 131937, 155220, 175916, 193030, 202980, 214370, 219895, 231636, 250939, 257244, 263874, 289545, 321555, 328151, 386060, 428740, 439790, 501878, 527748, 579090, 643110, 656302, 659685, 752817, 879580, 984453, 1003756, 1158180, 1254695, 1286220, 1312604, 1319370, 1505634, 1640755, 1968906, 2509390, 2638740, 3011268, 3281510, 3764085, 3937812, 4265963, 4922265, 5018780, 6563020, 7528170, 8531926, 9844530, 12797889, 15056340, 17063852, 19689060, 21329815, 25595778, 42659630, 51191556, 63989445, 85319260, 127978890, 255957780]

約数ペア:

[(1, 255957780), (2, 127978890), (3, 85319260), (4, 63989445), (5, 51191556), (6, 42659630), (10, 25595778), (12, 21329815), (13, 19689060), (15, 17063852), (17, 15056340), (20, 12797889), (26, 9844530), (30, 8531926), (34, 7528170), (39, 6563020), (51, 5018780), (52, 4922265), (60, 4265963), (65, 3937812), (68, 3764085), (78, 3281510), (85, 3011268), (97, 2638740), (102, 2509390), (130, 1968906), (156, 1640755), (170, 1505634), (194, 1319370), (195, 1312604), (199, 1286220), (204, 1254695), (221, 1158180), (255, 1003756), (260, 984453), (291, 879580), (340, 752817), (388, 659685), (390, 656302), (398, 643110), (442, 579090), (485, 527748), (510, 501878), (582, 439790), (597, 428740), (663, 386060), (780, 328151), (796, 321555), (884, 289545), (970, 263874), (995, 257244), (1020, 250939), (1105, 231636), (1164, 219895), (1194, 214370), (1261, 202980), (1326, 193030), (1455, 175916), (1649, 155220), (1940, 131937), (1990, 128622), (2210, 115818), (2388, 107185), (2522, 101490), (2587, 98940), (2652, 96515), (2910, 87958), (2985, 85748), (3298, 77610), (3315, 77212), (3383, 75660), (3783, 67660), (3980, 64311), (4420, 57909), (4947, 51740), (5044, 50745), (5174, 49470), (5820, 43979), (5970, 42874), (6305, 40596), (6596, 38805), (6630, 38606), (6766, 37830), (7566, 33830), (7761, 32980), (8245, 31044), (9894, 25870), (10149, 25220), (10348, 24735), (11940, 21437), (12610, 20298), (12935, 19788), (13260, 19303), (13532, 18915), (15132, 16915), (15522, 16490)]