998436120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20443}}^1$

素因数の和:20505

約数の個数: 128

約数和(自身を含む): 3356087040

約数和(自身を除く): 2357650920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1480, 1628, 2035, 2220, 2442, 3256, 4070, 4440, 4884, 6105, 8140, 9768, 12210, 16280, 20443, 24420, 40886, 48840, 61329, 81772, 102215, 122658, 163544, 204430, 224873, 245316, 306645, 408860, 449746, 490632, 613290, 674619, 756391, 817720, 899492, 1124365, 1226580, 1349238, 1512782, 1798984, 2248730, 2269173, 2453160, 2698476, 3025564, 3373095, 3781955, 4497460, 4538346, 5396952, 6051128, 6746190, 7563910, 8320301, 8994920, 9076692, 11345865, 13492380, 15127820, 16640602, 18153384, 22691730, 24960903, 26984760, 30255640, 33281204, 41601505, 45383460, 49921806, 66562408, 83203010, 90766920, 99843612, 124804515, 166406020, 199687224, 249609030, 332812040, 499218060, 998436120]

約数ペア:

[(1, 998436120), (2, 499218060), (3, 332812040), (4, 249609030), (5, 199687224), (6, 166406020), (8, 124804515), (10, 99843612), (11, 90766920), (12, 83203010), (15, 66562408), (20, 49921806), (22, 45383460), (24, 41601505), (30, 33281204), (33, 30255640), (37, 26984760), (40, 24960903), (44, 22691730), (55, 18153384), (60, 16640602), (66, 15127820), (74, 13492380), (88, 11345865), (110, 9076692), (111, 8994920), (120, 8320301), (132, 7563910), (148, 6746190), (165, 6051128), (185, 5396952), (220, 4538346), (222, 4497460), (264, 3781955), (296, 3373095), (330, 3025564), (370, 2698476), (407, 2453160), (440, 2269173), (444, 2248730), (555, 1798984), (660, 1512782), (740, 1349238), (814, 1226580), (888, 1124365), (1110, 899492), (1221, 817720), (1320, 756391), (1480, 674619), (1628, 613290), (2035, 490632), (2220, 449746), (2442, 408860), (3256, 306645), (4070, 245316), (4440, 224873), (4884, 204430), (6105, 163544), (8140, 122658), (9768, 102215), (12210, 81772), (16280, 61329), (20443, 48840), (24420, 40886)]