15391764

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 40712672

約数和(自身を除く): 25320908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 163, 172, 183, 244, 258, 326, 366, 387, 489, 516, 549, 652, 732, 774, 978, 1098, 1467, 1548, 1956, 2196, 2623, 2934, 5246, 5868, 7009, 7869, 9943, 10492, 14018, 15738, 19886, 21027, 23607, 28036, 29829, 31476, 39772, 42054, 47214, 59658, 63081, 84108, 89487, 94428, 119316, 126162, 178974, 252324, 357948, 427549, 855098, 1282647, 1710196, 2565294, 3847941, 5130588, 7695882, 15391764]

約数ペア:

[(1, 15391764), (2, 7695882), (3, 5130588), (4, 3847941), (6, 2565294), (9, 1710196), (12, 1282647), (18, 855098), (36, 427549), (43, 357948), (61, 252324), (86, 178974), (122, 126162), (129, 119316), (163, 94428), (172, 89487), (183, 84108), (244, 63081), (258, 59658), (326, 47214), (366, 42054), (387, 39772), (489, 31476), (516, 29829), (549, 28036), (652, 23607), (732, 21027), (774, 19886), (978, 15738), (1098, 14018), (1467, 10492), (1548, 9943), (1956, 7869), (2196, 7009), (2623, 5868), (2934, 5246)]