30984120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 106373520

約数和(自身を除く): 75389400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 81, 90, 108, 120, 131, 135, 146, 162, 180, 216, 219, 262, 270, 292, 324, 360, 365, 393, 405, 438, 524, 540, 584, 648, 655, 657, 730, 786, 810, 876, 1048, 1080, 1095, 1179, 1310, 1314, 1460, 1572, 1620, 1752, 1965, 1971, 2190, 2358, 2620, 2628, 2920, 3144, 3240, 3285, 3537, 3930, 3942, 4380, 4716, 5240, 5256, 5895, 5913, 6570, 7074, 7860, 7884, 8760, 9432, 9563, 9855, 10611, 11790, 11826, 13140, 14148, 15720, 15768, 17685, 19126, 19710, 21222, 23580, 23652, 26280, 28296, 28689, 29565, 35370, 38252, 39420, 42444, 47160, 47304, 47815, 53055, 57378, 59130, 70740, 76504, 78840, 84888, 86067, 95630, 106110, 114756, 118260, 141480, 143445, 172134, 191260, 212220, 229512, 236520, 258201, 286890, 344268, 382520, 424440, 430335, 516402, 573780, 688536, 774603, 860670, 1032804, 1147560, 1291005, 1549206, 1721340, 2065608, 2582010, 3098412, 3442680, 3873015, 5164020, 6196824, 7746030, 10328040, 15492060, 30984120]

約数ペア:

[(1, 30984120), (2, 15492060), (3, 10328040), (4, 7746030), (5, 6196824), (6, 5164020), (8, 3873015), (9, 3442680), (10, 3098412), (12, 2582010), (15, 2065608), (18, 1721340), (20, 1549206), (24, 1291005), (27, 1147560), (30, 1032804), (36, 860670), (40, 774603), (45, 688536), (54, 573780), (60, 516402), (72, 430335), (73, 424440), (81, 382520), (90, 344268), (108, 286890), (120, 258201), (131, 236520), (135, 229512), (146, 212220), (162, 191260), (180, 172134), (216, 143445), (219, 141480), (262, 118260), (270, 114756), (292, 106110), (324, 95630), (360, 86067), (365, 84888), (393, 78840), (405, 76504), (438, 70740), (524, 59130), (540, 57378), (584, 53055), (648, 47815), (655, 47304), (657, 47160), (730, 42444), (786, 39420), (810, 38252), (876, 35370), (1048, 29565), (1080, 28689), (1095, 28296), (1179, 26280), (1310, 23652), (1314, 23580), (1460, 21222), (1572, 19710), (1620, 19126), (1752, 17685), (1965, 15768), (1971, 15720), (2190, 14148), (2358, 13140), (2620, 11826), (2628, 11790), (2920, 10611), (3144, 9855), (3240, 9563), (3285, 9432), (3537, 8760), (3930, 7884), (3942, 7860), (4380, 7074), (4716, 6570), (5240, 5913), (5256, 5895)]