16692640

素因数分解:

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

素因数の和:87

約数の個数: 108

約数和(自身を含む): 44213526

約数和(自身を除く): 27520886

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 289, 304, 323, 340, 361, 380, 544, 578, 608, 646, 680, 722, 760, 1156, 1292, 1360, 1444, 1445, 1520, 1615, 1805, 2312, 2584, 2720, 2888, 2890, 3040, 3230, 3610, 4624, 5168, 5491, 5776, 5780, 6137, 6460, 7220, 9248, 10336, 10982, 11552, 11560, 12274, 12920, 14440, 21964, 23120, 24548, 25840, 27455, 28880, 30685, 43928, 46240, 49096, 51680, 54910, 57760, 61370, 87856, 98192, 104329, 109820, 122740, 175712, 196384, 208658, 219640, 245480, 417316, 439280, 490960, 521645, 834632, 878560, 981920, 1043290, 1669264, 2086580, 3338528, 4173160, 8346320, 16692640]

約数ペア:

[(1, 16692640), (2, 8346320), (4, 4173160), (5, 3338528), (8, 2086580), (10, 1669264), (16, 1043290), (17, 981920), (19, 878560), (20, 834632), (32, 521645), (34, 490960), (38, 439280), (40, 417316), (68, 245480), (76, 219640), (80, 208658), (85, 196384), (95, 175712), (136, 122740), (152, 109820), (160, 104329), (170, 98192), (190, 87856), (272, 61370), (289, 57760), (304, 54910), (323, 51680), (340, 49096), (361, 46240), (380, 43928), (544, 30685), (578, 28880), (608, 27455), (646, 25840), (680, 24548), (722, 23120), (760, 21964), (1156, 14440), (1292, 12920), (1360, 12274), (1444, 11560), (1445, 11552), (1520, 10982), (1615, 10336), (1805, 9248), (2312, 7220), (2584, 6460), (2720, 6137), (2888, 5780), (2890, 5776), (3040, 5491), (3230, 5168), (3610, 4624)]