18490897280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89449}}^1$

素因数の和:89504

約数の個数: 128

約数和(自身を含む): 49269060000

約数和(自身を除く): 30778162720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1292, 1360, 1520, 1615, 2176, 2432, 2584, 2720, 3040, 3230, 5168, 5440, 6080, 6460, 10336, 10880, 12160, 12920, 20672, 25840, 41344, 51680, 89449, 103360, 178898, 206720, 357796, 447245, 715592, 894490, 1431184, 1520633, 1699531, 1788980, 2862368, 3041266, 3399062, 3577960, 5724736, 6082532, 6798124, 7155920, 7603165, 8497655, 11449472, 12165064, 13596248, 14311840, 15206330, 16995310, 24330128, 27192496, 28623680, 28892027, 30412660, 33990620, 48660256, 54384992, 57247360, 57784054, 60825320, 67981240, 97320512, 108769984, 115568108, 121650640, 135962480, 144460135, 194641024, 217539968, 231136216, 243301280, 271924960, 288920270, 462272432, 486602560, 543849920, 577840540, 924544864, 973205120, 1087699840, 1155681080, 1849089728, 2311362160, 3698179456, 4622724320, 9245448640, 18490897280]

約数ペア:

[(1, 18490897280), (2, 9245448640), (4, 4622724320), (5, 3698179456), (8, 2311362160), (10, 1849089728), (16, 1155681080), (17, 1087699840), (19, 973205120), (20, 924544864), (32, 577840540), (34, 543849920), (38, 486602560), (40, 462272432), (64, 288920270), (68, 271924960), (76, 243301280), (80, 231136216), (85, 217539968), (95, 194641024), (128, 144460135), (136, 135962480), (152, 121650640), (160, 115568108), (170, 108769984), (190, 97320512), (272, 67981240), (304, 60825320), (320, 57784054), (323, 57247360), (340, 54384992), (380, 48660256), (544, 33990620), (608, 30412660), (640, 28892027), (646, 28623680), (680, 27192496), (760, 24330128), (1088, 16995310), (1216, 15206330), (1292, 14311840), (1360, 13596248), (1520, 12165064), (1615, 11449472), (2176, 8497655), (2432, 7603165), (2584, 7155920), (2720, 6798124), (3040, 6082532), (3230, 5724736), (5168, 3577960), (5440, 3399062), (6080, 3041266), (6460, 2862368), (10336, 1788980), (10880, 1699531), (12160, 1520633), (12920, 1431184), (20672, 894490), (25840, 715592), (41344, 447245), (51680, 357796), (89449, 206720), (103360, 178898)]