15999040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:224

約数の個数: 84

約数和(自身を含む): 40704516

約数和(自身を除く): 24705476

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 173, 272, 289, 320, 340, 346, 544, 578, 680, 692, 865, 1088, 1156, 1360, 1384, 1445, 1730, 2312, 2720, 2768, 2890, 2941, 3460, 4624, 5440, 5536, 5780, 5882, 6920, 9248, 11072, 11560, 11764, 13840, 14705, 18496, 23120, 23528, 27680, 29410, 46240, 47056, 49997, 55360, 58820, 92480, 94112, 99994, 117640, 188224, 199988, 235280, 249985, 399976, 470560, 499970, 799952, 941120, 999940, 1599904, 1999880, 3199808, 3999760, 7999520, 15999040]

約数ペア:

[(1, 15999040), (2, 7999520), (4, 3999760), (5, 3199808), (8, 1999880), (10, 1599904), (16, 999940), (17, 941120), (20, 799952), (32, 499970), (34, 470560), (40, 399976), (64, 249985), (68, 235280), (80, 199988), (85, 188224), (136, 117640), (160, 99994), (170, 94112), (173, 92480), (272, 58820), (289, 55360), (320, 49997), (340, 47056), (346, 46240), (544, 29410), (578, 27680), (680, 23528), (692, 23120), (865, 18496), (1088, 14705), (1156, 13840), (1360, 11764), (1384, 11560), (1445, 11072), (1730, 9248), (2312, 6920), (2720, 5882), (2768, 5780), (2890, 5536), (2941, 5440), (3460, 4624)]