18378080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 50621760

約数和(自身を除く): 32243680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 269, 280, 305, 427, 488, 538, 560, 610, 854, 976, 1076, 1120, 1220, 1345, 1708, 1883, 1952, 2135, 2152, 2440, 2690, 3416, 3766, 4270, 4304, 4880, 5380, 6832, 7532, 8540, 8608, 9415, 9760, 10760, 13664, 15064, 16409, 17080, 18830, 21520, 30128, 32818, 34160, 37660, 43040, 60256, 65636, 68320, 75320, 82045, 114863, 131272, 150640, 164090, 229726, 262544, 301280, 328180, 459452, 525088, 574315, 656360, 918904, 1148630, 1312720, 1837808, 2297260, 2625440, 3675616, 4594520, 9189040, 18378080]

約数ペア:

[(1, 18378080), (2, 9189040), (4, 4594520), (5, 3675616), (7, 2625440), (8, 2297260), (10, 1837808), (14, 1312720), (16, 1148630), (20, 918904), (28, 656360), (32, 574315), (35, 525088), (40, 459452), (56, 328180), (61, 301280), (70, 262544), (80, 229726), (112, 164090), (122, 150640), (140, 131272), (160, 114863), (224, 82045), (244, 75320), (269, 68320), (280, 65636), (305, 60256), (427, 43040), (488, 37660), (538, 34160), (560, 32818), (610, 30128), (854, 21520), (976, 18830), (1076, 17080), (1120, 16409), (1220, 15064), (1345, 13664), (1708, 10760), (1883, 9760), (1952, 9415), (2135, 8608), (2152, 8540), (2440, 7532), (2690, 6832), (3416, 5380), (3766, 4880), (4270, 4304)]