121390320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21991}}^1$

素因数の和:22030

約数の個数: 80

約数和(自身を含む): 392689152

約数和(自身を除く): 271298832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 21991, 43982, 65973, 87964, 109955, 131946, 175928, 219910, 263892, 329865, 351856, 439820, 505793, 527784, 659730, 879640, 1011586, 1055568, 1319460, 1517379, 1759280, 2023172, 2528965, 2638920, 3034758, 4046344, 5057930, 5277840, 6069516, 7586895, 8092688, 10115860, 12139032, 15173790, 20231720, 24278064, 30347580, 40463440, 60695160, 121390320]

約数ペア:

[(1, 121390320), (2, 60695160), (3, 40463440), (4, 30347580), (5, 24278064), (6, 20231720), (8, 15173790), (10, 12139032), (12, 10115860), (15, 8092688), (16, 7586895), (20, 6069516), (23, 5277840), (24, 5057930), (30, 4046344), (40, 3034758), (46, 2638920), (48, 2528965), (60, 2023172), (69, 1759280), (80, 1517379), (92, 1319460), (115, 1055568), (120, 1011586), (138, 879640), (184, 659730), (230, 527784), (240, 505793), (276, 439820), (345, 351856), (368, 329865), (460, 263892), (552, 219910), (690, 175928), (920, 131946), (1104, 109955), (1380, 87964), (1840, 65973), (2760, 43982), (5520, 21991)]