905001720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{10069}}^1$

素因数の和:10197

約数の個数: 128

約数和(自身を含む): 3132172800

約数和(自身を除く): 2227171080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 840, 856, 1070, 1284, 1498, 1605, 2140, 2247, 2568, 2996, 3210, 3745, 4280, 4494, 5992, 6420, 7490, 8988, 10069, 11235, 12840, 14980, 17976, 20138, 22470, 29960, 30207, 40276, 44940, 50345, 60414, 70483, 80552, 89880, 100690, 120828, 140966, 151035, 201380, 211449, 241656, 281932, 302070, 352415, 402760, 422898, 563864, 604140, 704830, 845796, 1057245, 1077383, 1208280, 1409660, 1691592, 2114490, 2154766, 2819320, 3232149, 4228980, 4309532, 5386915, 6464298, 7541681, 8457960, 8619064, 10773830, 12928596, 15083362, 16160745, 21547660, 22625043, 25857192, 30166724, 32321490, 37708405, 43095320, 45250086, 60333448, 64642980, 75416810, 90500172, 113125215, 129285960, 150833620, 181000344, 226250430, 301667240, 452500860, 905001720]

約数ペア:

[(1, 905001720), (2, 452500860), (3, 301667240), (4, 226250430), (5, 181000344), (6, 150833620), (7, 129285960), (8, 113125215), (10, 90500172), (12, 75416810), (14, 64642980), (15, 60333448), (20, 45250086), (21, 43095320), (24, 37708405), (28, 32321490), (30, 30166724), (35, 25857192), (40, 22625043), (42, 21547660), (56, 16160745), (60, 15083362), (70, 12928596), (84, 10773830), (105, 8619064), (107, 8457960), (120, 7541681), (140, 6464298), (168, 5386915), (210, 4309532), (214, 4228980), (280, 3232149), (321, 2819320), (420, 2154766), (428, 2114490), (535, 1691592), (642, 1409660), (749, 1208280), (840, 1077383), (856, 1057245), (1070, 845796), (1284, 704830), (1498, 604140), (1605, 563864), (2140, 422898), (2247, 402760), (2568, 352415), (2996, 302070), (3210, 281932), (3745, 241656), (4280, 211449), (4494, 201380), (5992, 151035), (6420, 140966), (7490, 120828), (8988, 100690), (10069, 89880), (11235, 80552), (12840, 70483), (14980, 60414), (17976, 50345), (20138, 44940), (22470, 40276), (29960, 30207)]