8961720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 29859840

約数和(自身を除く): 20898120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 191, 204, 230, 255, 276, 340, 345, 382, 391, 408, 460, 510, 552, 573, 680, 690, 764, 782, 920, 955, 1020, 1146, 1173, 1380, 1528, 1564, 1910, 1955, 2040, 2292, 2346, 2760, 2865, 3128, 3247, 3820, 3910, 4393, 4584, 4692, 5730, 5865, 6494, 7640, 7820, 8786, 9384, 9741, 11460, 11730, 12988, 13179, 15640, 16235, 17572, 19482, 21965, 22920, 23460, 25976, 26358, 32470, 35144, 38964, 43930, 46920, 48705, 52716, 64940, 65895, 74681, 77928, 87860, 97410, 105432, 129880, 131790, 149362, 175720, 194820, 224043, 263580, 298724, 373405, 389640, 448086, 527160, 597448, 746810, 896172, 1120215, 1493620, 1792344, 2240430, 2987240, 4480860, 8961720]

約数ペア:

[(1, 8961720), (2, 4480860), (3, 2987240), (4, 2240430), (5, 1792344), (6, 1493620), (8, 1120215), (10, 896172), (12, 746810), (15, 597448), (17, 527160), (20, 448086), (23, 389640), (24, 373405), (30, 298724), (34, 263580), (40, 224043), (46, 194820), (51, 175720), (60, 149362), (68, 131790), (69, 129880), (85, 105432), (92, 97410), (102, 87860), (115, 77928), (120, 74681), (136, 65895), (138, 64940), (170, 52716), (184, 48705), (191, 46920), (204, 43930), (230, 38964), (255, 35144), (276, 32470), (340, 26358), (345, 25976), (382, 23460), (391, 22920), (408, 21965), (460, 19482), (510, 17572), (552, 16235), (573, 15640), (680, 13179), (690, 12988), (764, 11730), (782, 11460), (920, 9741), (955, 9384), (1020, 8786), (1146, 7820), (1173, 7640), (1380, 6494), (1528, 5865), (1564, 5730), (1910, 4692), (1955, 4584), (2040, 4393), (2292, 3910), (2346, 3820), (2760, 3247), (2865, 3128)]