281035440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{18587}}^1$

素因数の和:18616

約数の個数: 160

約数和(自身を含む): 1106357760

約数和(自身を除く): 825322320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 18587, 37174, 55761, 74348, 92935, 111522, 130109, 148696, 167283, 185870, 223044, 260218, 278805, 297392, 334566, 371740, 390327, 446088, 501849, 520436, 557610, 650545, 669132, 743480, 780654, 836415, 892176, 1003698, 1040872, 1115220, 1170981, 1301090, 1338264, 1486960, 1561308, 1672830, 1951635, 2007396, 2081744, 2230440, 2341962, 2509245, 2602180, 2676528, 3122616, 3345660, 3512943, 3903270, 4014792, 4460880, 4683924, 5018490, 5204360, 5854905, 6245232, 6691320, 7025886, 7806540, 8029584, 9367848, 10036980, 10408720, 11709810, 13382640, 14051772, 15613080, 17564715, 18735696, 20073960, 23419620, 28103544, 31226160, 35129430, 40147920, 46839240, 56207088, 70258860, 93678480, 140517720, 281035440]

約数ペア:

[(1, 281035440), (2, 140517720), (3, 93678480), (4, 70258860), (5, 56207088), (6, 46839240), (7, 40147920), (8, 35129430), (9, 31226160), (10, 28103544), (12, 23419620), (14, 20073960), (15, 18735696), (16, 17564715), (18, 15613080), (20, 14051772), (21, 13382640), (24, 11709810), (27, 10408720), (28, 10036980), (30, 9367848), (35, 8029584), (36, 7806540), (40, 7025886), (42, 6691320), (45, 6245232), (48, 5854905), (54, 5204360), (56, 5018490), (60, 4683924), (63, 4460880), (70, 4014792), (72, 3903270), (80, 3512943), (84, 3345660), (90, 3122616), (105, 2676528), (108, 2602180), (112, 2509245), (120, 2341962), (126, 2230440), (135, 2081744), (140, 2007396), (144, 1951635), (168, 1672830), (180, 1561308), (189, 1486960), (210, 1338264), (216, 1301090), (240, 1170981), (252, 1115220), (270, 1040872), (280, 1003698), (315, 892176), (336, 836415), (360, 780654), (378, 743480), (420, 669132), (432, 650545), (504, 557610), (540, 520436), (560, 501849), (630, 446088), (720, 390327), (756, 371740), (840, 334566), (945, 297392), (1008, 278805), (1080, 260218), (1260, 223044), (1512, 185870), (1680, 167283), (1890, 148696), (2160, 130109), (2520, 111522), (3024, 92935), (3780, 74348), (5040, 55761), (7560, 37174), (15120, 18587)]