20905914240

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2731}}^1$

素因数の和:3202

約数の個数: 256

約数和(自身を含む): 74236089600

約数和(自身を除く): 53330175360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 443, 480, 540, 576, 640, 720, 864, 886, 960, 1080, 1152, 1329, 1440, 1728, 1772, 1920, 2160, 2215, 2658, 2731, 2880, 3456, 3544, 3987, 4320, 4430, 5316, 5462, 5760, 6645, 7088, 7974, 8193, 8640, 8860, 10632, 10924, 11961, 13290, 13655, 14176, 15948, 16386, 17280, 17720, 19935, 21264, 21848, 23922, 24579, 26580, 27310, 28352, 31896, 32772, 35440, 39870, 40965, 42528, 43696, 47844, 49158, 53160, 54620, 56704, 59805, 63792, 65544, 70880, 73737, 79740, 81930, 85056, 87392, 95688, 98316, 106320, 109240, 119610, 122895, 127584, 131088, 141760, 147474, 159480, 163860, 170112, 174784, 191376, 196632, 212640, 218480, 239220, 245790, 255168, 262176, 283520, 294948, 318960, 327720, 349568, 368685, 382752, 393264, 425280, 436960, 478440, 491580, 510336, 524352, 589896, 637920, 655440, 737370, 765504, 786528, 850560, 873920, 956880, 983160, 1048704, 1179792, 1209833, 1275840, 1310880, 1474740, 1531008, 1573056, 1747840, 1913760, 1966320, 2359584, 2419666, 2551680, 2621760, 2949480, 3146112, 3629499, 3827520, 3932640, 4719168, 4839332, 5243520, 5898960, 6049165, 7258998, 7655040, 7865280, 9438336, 9678664, 10888497, 11797920, 12098330, 14517996, 15730560, 18147495, 19357328, 21776994, 23595840, 24196660, 29035992, 32665491, 36294990, 38714656, 43553988, 47191680, 48393320, 54442485, 58071984, 65330982, 72589980, 77429312, 87107976, 96786640, 108884970, 116143968, 130661964, 145179960, 154858624, 163327455, 174215952, 193573280, 217769940, 232287936, 261323928, 290359920, 326654910, 348431904, 387146560, 435539880, 464575872, 522647856, 580719840, 653309820, 696863808, 774293120, 871079760, 1045295712, 1161439680, 1306619640, 1393727616, 1742159520, 2090591424, 2322879360, 2613239280, 3484319040, 4181182848, 5226478560, 6968638080, 10452957120, 20905914240]

約数ペア:

[(1, 20905914240), (2, 10452957120), (3, 6968638080), (4, 5226478560), (5, 4181182848), (6, 3484319040), (8, 2613239280), (9, 2322879360), (10, 2090591424), (12, 1742159520), (15, 1393727616), (16, 1306619640), (18, 1161439680), (20, 1045295712), (24, 871079760), (27, 774293120), (30, 696863808), (32, 653309820), (36, 580719840), (40, 522647856), (45, 464575872), (48, 435539880), (54, 387146560), (60, 348431904), (64, 326654910), (72, 290359920), (80, 261323928), (90, 232287936), (96, 217769940), (108, 193573280), (120, 174215952), (128, 163327455), (135, 154858624), (144, 145179960), (160, 130661964), (180, 116143968), (192, 108884970), (216, 96786640), (240, 87107976), (270, 77429312), (288, 72589980), (320, 65330982), (360, 58071984), (384, 54442485), (432, 48393320), (443, 47191680), (480, 43553988), (540, 38714656), (576, 36294990), (640, 32665491), (720, 29035992), (864, 24196660), (886, 23595840), (960, 21776994), (1080, 19357328), (1152, 18147495), (1329, 15730560), (1440, 14517996), (1728, 12098330), (1772, 11797920), (1920, 10888497), (2160, 9678664), (2215, 9438336), (2658, 7865280), (2731, 7655040), (2880, 7258998), (3456, 6049165), (3544, 5898960), (3987, 5243520), (4320, 4839332), (4430, 4719168), (5316, 3932640), (5462, 3827520), (5760, 3629499), (6645, 3146112), (7088, 2949480), (7974, 2621760), (8193, 2551680), (8640, 2419666), (8860, 2359584), (10632, 1966320), (10924, 1913760), (11961, 1747840), (13290, 1573056), (13655, 1531008), (14176, 1474740), (15948, 1310880), (16386, 1275840), (17280, 1209833), (17720, 1179792), (19935, 1048704), (21264, 983160), (21848, 956880), (23922, 873920), (24579, 850560), (26580, 786528), (27310, 765504), (28352, 737370), (31896, 655440), (32772, 637920), (35440, 589896), (39870, 524352), (40965, 510336), (42528, 491580), (43696, 478440), (47844, 436960), (49158, 425280), (53160, 393264), (54620, 382752), (56704, 368685), (59805, 349568), (63792, 327720), (65544, 318960), (70880, 294948), (73737, 283520), (79740, 262176), (81930, 255168), (85056, 245790), (87392, 239220), (95688, 218480), (98316, 212640), (106320, 196632), (109240, 191376), (119610, 174784), (122895, 170112), (127584, 163860), (131088, 159480), (141760, 147474)]