81948160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 160

約数和(自身を含む): 238645440

約数和(自身を除く): 156697280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 269, 272, 280, 320, 340, 448, 476, 512, 538, 544, 560, 595, 640, 680, 896, 952, 1076, 1088, 1120, 1190, 1280, 1345, 1360, 1792, 1883, 1904, 2152, 2176, 2240, 2380, 2560, 2690, 2720, 3584, 3766, 3808, 4304, 4352, 4480, 4573, 4760, 5380, 5440, 7532, 7616, 8608, 8704, 8960, 9146, 9415, 9520, 10760, 10880, 15064, 15232, 17216, 17920, 18292, 18830, 19040, 21520, 21760, 22865, 30128, 30464, 32011, 34432, 36584, 37660, 38080, 43040, 43520, 45730, 60256, 60928, 64022, 68864, 73168, 75320, 76160, 86080, 91460, 120512, 128044, 137728, 146336, 150640, 152320, 160055, 172160, 182920, 241024, 256088, 292672, 301280, 304640, 320110, 344320, 365840, 482048, 512176, 585344, 602560, 640220, 688640, 731680, 964096, 1024352, 1170688, 1205120, 1280440, 1463360, 2048704, 2341376, 2410240, 2560880, 2926720, 4097408, 4820480, 5121760, 5853440, 8194816, 10243520, 11706880, 16389632, 20487040, 40974080, 81948160]

約数ペア:

[(1, 81948160), (2, 40974080), (4, 20487040), (5, 16389632), (7, 11706880), (8, 10243520), (10, 8194816), (14, 5853440), (16, 5121760), (17, 4820480), (20, 4097408), (28, 2926720), (32, 2560880), (34, 2410240), (35, 2341376), (40, 2048704), (56, 1463360), (64, 1280440), (68, 1205120), (70, 1170688), (80, 1024352), (85, 964096), (112, 731680), (119, 688640), (128, 640220), (136, 602560), (140, 585344), (160, 512176), (170, 482048), (224, 365840), (238, 344320), (256, 320110), (269, 304640), (272, 301280), (280, 292672), (320, 256088), (340, 241024), (448, 182920), (476, 172160), (512, 160055), (538, 152320), (544, 150640), (560, 146336), (595, 137728), (640, 128044), (680, 120512), (896, 91460), (952, 86080), (1076, 76160), (1088, 75320), (1120, 73168), (1190, 68864), (1280, 64022), (1345, 60928), (1360, 60256), (1792, 45730), (1883, 43520), (1904, 43040), (2152, 38080), (2176, 37660), (2240, 36584), (2380, 34432), (2560, 32011), (2690, 30464), (2720, 30128), (3584, 22865), (3766, 21760), (3808, 21520), (4304, 19040), (4352, 18830), (4480, 18292), (4573, 17920), (4760, 17216), (5380, 15232), (5440, 15064), (7532, 10880), (7616, 10760), (8608, 9520), (8704, 9415), (8960, 9146)]