20040161680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{11257}}^1$

素因数の和:11322

約数の個数: 240

約数和(自身を含む): 61714014336

約数和(自身を除く): 41673852656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 220, 238, 272, 280, 289, 308, 340, 374, 385, 440, 476, 560, 578, 595, 616, 680, 748, 770, 880, 935, 952, 1156, 1190, 1232, 1309, 1360, 1445, 1496, 1540, 1870, 1904, 2023, 2312, 2380, 2618, 2890, 2992, 3080, 3179, 3740, 4046, 4624, 4760, 5236, 5780, 6160, 6358, 6545, 7480, 8092, 9520, 10115, 10472, 11257, 11560, 12716, 13090, 14960, 15895, 16184, 20230, 20944, 22253, 22514, 23120, 25432, 26180, 31790, 32368, 40460, 44506, 45028, 50864, 52360, 56285, 63580, 78799, 80920, 89012, 90056, 104720, 111265, 112570, 123827, 127160, 157598, 161840, 178024, 180112, 191369, 222530, 225140, 247654, 254320, 315196, 356048, 382738, 393995, 445060, 450280, 495308, 619135, 630392, 765476, 787990, 866789, 890120, 900560, 956845, 990616, 1238270, 1260784, 1339583, 1530952, 1575980, 1733578, 1780240, 1913690, 1981232, 2105059, 2476540, 2679166, 3061904, 3151960, 3253273, 3467156, 3827380, 4210118, 4333945, 4953080, 5358332, 6303920, 6506546, 6697915, 6934312, 7654760, 8420236, 8667890, 9906160, 10525295, 10716664, 13013092, 13395830, 13868624, 14735413, 15309520, 16266365, 16840472, 17335780, 21050590, 21433328, 22772911, 26026184, 26791660, 29470826, 32532730, 33680944, 34671560, 35786003, 42101180, 45545822, 52052368, 53583320, 58941652, 65065460, 69343120, 71572006, 73677065, 84202360, 91091644, 107166640, 113864555, 117883304, 130130920, 143144012, 147354130, 168404720, 178930015, 182183288, 227729110, 235766608, 250502021, 260261840, 286288024, 294708260, 357860030, 364366576, 455458220, 501004042, 572576048, 589416520, 715720060, 910916440, 1002008084, 1178833040, 1252510105, 1431440120, 1821832880, 2004016168, 2505020210, 2862880240, 4008032336, 5010040420, 10020080840, 20040161680]

約数ペア:

[(1, 20040161680), (2, 10020080840), (4, 5010040420), (5, 4008032336), (7, 2862880240), (8, 2505020210), (10, 2004016168), (11, 1821832880), (14, 1431440120), (16, 1252510105), (17, 1178833040), (20, 1002008084), (22, 910916440), (28, 715720060), (34, 589416520), (35, 572576048), (40, 501004042), (44, 455458220), (55, 364366576), (56, 357860030), (68, 294708260), (70, 286288024), (77, 260261840), (80, 250502021), (85, 235766608), (88, 227729110), (110, 182183288), (112, 178930015), (119, 168404720), (136, 147354130), (140, 143144012), (154, 130130920), (170, 117883304), (176, 113864555), (187, 107166640), (220, 91091644), (238, 84202360), (272, 73677065), (280, 71572006), (289, 69343120), (308, 65065460), (340, 58941652), (374, 53583320), (385, 52052368), (440, 45545822), (476, 42101180), (560, 35786003), (578, 34671560), (595, 33680944), (616, 32532730), (680, 29470826), (748, 26791660), (770, 26026184), (880, 22772911), (935, 21433328), (952, 21050590), (1156, 17335780), (1190, 16840472), (1232, 16266365), (1309, 15309520), (1360, 14735413), (1445, 13868624), (1496, 13395830), (1540, 13013092), (1870, 10716664), (1904, 10525295), (2023, 9906160), (2312, 8667890), (2380, 8420236), (2618, 7654760), (2890, 6934312), (2992, 6697915), (3080, 6506546), (3179, 6303920), (3740, 5358332), (4046, 4953080), (4624, 4333945), (4760, 4210118), (5236, 3827380), (5780, 3467156), (6160, 3253273), (6358, 3151960), (6545, 3061904), (7480, 2679166), (8092, 2476540), (9520, 2105059), (10115, 1981232), (10472, 1913690), (11257, 1780240), (11560, 1733578), (12716, 1575980), (13090, 1530952), (14960, 1339583), (15895, 1260784), (16184, 1238270), (20230, 990616), (20944, 956845), (22253, 900560), (22514, 890120), (23120, 866789), (25432, 787990), (26180, 765476), (31790, 630392), (32368, 619135), (40460, 495308), (44506, 450280), (45028, 445060), (50864, 393995), (52360, 382738), (56285, 356048), (63580, 315196), (78799, 254320), (80920, 247654), (89012, 225140), (90056, 222530), (104720, 191369), (111265, 180112), (112570, 178024), (123827, 161840), (127160, 157598)]