215223120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42703}}^1$

素因数の和:42729

約数の個数: 120

約数和(自身を含む): 826066176

約数和(自身を除く): 610843056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42703, 85406, 128109, 170812, 213515, 256218, 298921, 341624, 384327, 427030, 512436, 597842, 640545, 683248, 768654, 854060, 896763, 1024872, 1195684, 1281090, 1494605, 1537308, 1708120, 1793526, 1921635, 2049744, 2391368, 2562180, 2690289, 2989210, 3074616, 3416240, 3587052, 3843270, 4483815, 4782736, 5124360, 5380578, 5978420, 6149232, 7174104, 7686540, 8967630, 10248720, 10761156, 11956840, 13451445, 14348208, 15373080, 17935260, 21522312, 23913680, 26902890, 30746160, 35870520, 43044624, 53805780, 71741040, 107611560, 215223120]

約数ペア:

[(1, 215223120), (2, 107611560), (3, 71741040), (4, 53805780), (5, 43044624), (6, 35870520), (7, 30746160), (8, 26902890), (9, 23913680), (10, 21522312), (12, 17935260), (14, 15373080), (15, 14348208), (16, 13451445), (18, 11956840), (20, 10761156), (21, 10248720), (24, 8967630), (28, 7686540), (30, 7174104), (35, 6149232), (36, 5978420), (40, 5380578), (42, 5124360), (45, 4782736), (48, 4483815), (56, 3843270), (60, 3587052), (63, 3416240), (70, 3074616), (72, 2989210), (80, 2690289), (84, 2562180), (90, 2391368), (105, 2049744), (112, 1921635), (120, 1793526), (126, 1708120), (140, 1537308), (144, 1494605), (168, 1281090), (180, 1195684), (210, 1024872), (240, 896763), (252, 854060), (280, 768654), (315, 683248), (336, 640545), (360, 597842), (420, 512436), (504, 427030), (560, 384327), (630, 341624), (720, 298921), (840, 256218), (1008, 213515), (1260, 170812), (1680, 128109), (2520, 85406), (5040, 42703)]