31176720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 240

約数和(自身を含む): 114903360

約数和(自身を除く): 83726640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 48, 53, 57, 60, 72, 76, 80, 86, 90, 95, 106, 114, 120, 129, 144, 152, 159, 171, 172, 180, 190, 212, 215, 228, 240, 258, 265, 285, 304, 318, 342, 344, 360, 380, 387, 424, 430, 456, 477, 516, 530, 570, 636, 645, 684, 688, 720, 760, 774, 795, 817, 848, 855, 860, 912, 954, 1007, 1032, 1060, 1140, 1272, 1290, 1368, 1520, 1548, 1590, 1634, 1710, 1720, 1908, 1935, 2014, 2064, 2120, 2279, 2280, 2385, 2451, 2544, 2580, 2736, 3021, 3096, 3180, 3268, 3420, 3440, 3816, 3870, 4028, 4085, 4240, 4558, 4560, 4770, 4902, 5035, 5160, 6042, 6192, 6360, 6536, 6837, 6840, 7353, 7632, 7740, 8056, 8170, 9063, 9116, 9540, 9804, 10070, 10320, 11395, 12084, 12255, 12720, 13072, 13674, 13680, 14706, 15105, 15480, 16112, 16340, 18126, 18232, 19080, 19608, 20140, 20511, 22790, 24168, 24510, 27348, 29412, 30210, 30960, 32680, 34185, 36252, 36464, 36765, 38160, 39216, 40280, 41022, 43301, 45315, 45580, 48336, 49020, 54696, 58824, 60420, 65360, 68370, 72504, 73530, 80560, 82044, 86602, 90630, 91160, 98040, 102555, 109392, 117648, 120840, 129903, 136740, 145008, 147060, 164088, 173204, 181260, 182320, 196080, 205110, 216505, 241680, 259806, 273480, 294120, 328176, 346408, 362520, 389709, 410220, 433010, 519612, 546960, 588240, 649515, 692816, 725040, 779418, 820440, 866020, 1039224, 1299030, 1558836, 1640880, 1732040, 1948545, 2078448, 2598060, 3117672, 3464080, 3897090, 5196120, 6235344, 7794180, 10392240, 15588360, 31176720]

約数ペア:

[(1, 31176720), (2, 15588360), (3, 10392240), (4, 7794180), (5, 6235344), (6, 5196120), (8, 3897090), (9, 3464080), (10, 3117672), (12, 2598060), (15, 2078448), (16, 1948545), (18, 1732040), (19, 1640880), (20, 1558836), (24, 1299030), (30, 1039224), (36, 866020), (38, 820440), (40, 779418), (43, 725040), (45, 692816), (48, 649515), (53, 588240), (57, 546960), (60, 519612), (72, 433010), (76, 410220), (80, 389709), (86, 362520), (90, 346408), (95, 328176), (106, 294120), (114, 273480), (120, 259806), (129, 241680), (144, 216505), (152, 205110), (159, 196080), (171, 182320), (172, 181260), (180, 173204), (190, 164088), (212, 147060), (215, 145008), (228, 136740), (240, 129903), (258, 120840), (265, 117648), (285, 109392), (304, 102555), (318, 98040), (342, 91160), (344, 90630), (360, 86602), (380, 82044), (387, 80560), (424, 73530), (430, 72504), (456, 68370), (477, 65360), (516, 60420), (530, 58824), (570, 54696), (636, 49020), (645, 48336), (684, 45580), (688, 45315), (720, 43301), (760, 41022), (774, 40280), (795, 39216), (817, 38160), (848, 36765), (855, 36464), (860, 36252), (912, 34185), (954, 32680), (1007, 30960), (1032, 30210), (1060, 29412), (1140, 27348), (1272, 24510), (1290, 24168), (1368, 22790), (1520, 20511), (1548, 20140), (1590, 19608), (1634, 19080), (1710, 18232), (1720, 18126), (1908, 16340), (1935, 16112), (2014, 15480), (2064, 15105), (2120, 14706), (2279, 13680), (2280, 13674), (2385, 13072), (2451, 12720), (2544, 12255), (2580, 12084), (2736, 11395), (3021, 10320), (3096, 10070), (3180, 9804), (3268, 9540), (3420, 9116), (3440, 9063), (3816, 8170), (3870, 8056), (4028, 7740), (4085, 7632), (4240, 7353), (4558, 6840), (4560, 6837), (4770, 6536), (4902, 6360), (5035, 6192), (5160, 6042)]