304640

素因数分解:

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

素因数の和:47

約数の個数: 80

約数和(自身を含む): 883872

約数和(自身を除く): 579232

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, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2176, 2240, 2380, 2560, 2720, 3584, 3808, 4352, 4480, 4760, 5440, 7616, 8704, 8960, 9520, 10880, 15232, 17920, 19040, 21760, 30464, 38080, 43520, 60928, 76160, 152320, 304640]

約数ペア:

[(1, 304640), (2, 152320), (4, 76160), (5, 60928), (7, 43520), (8, 38080), (10, 30464), (14, 21760), (16, 19040), (17, 17920), (20, 15232), (28, 10880), (32, 9520), (34, 8960), (35, 8704), (40, 7616), (56, 5440), (64, 4760), (68, 4480), (70, 4352), (80, 3808), (85, 3584), (112, 2720), (119, 2560), (128, 2380), (136, 2240), (140, 2176), (160, 1904), (170, 1792), (224, 1360), (238, 1280), (256, 1190), (272, 1120), (280, 1088), (320, 952), (340, 896), (448, 680), (476, 640), (512, 595), (544, 560)]