31424760

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 109680480

約数和(自身を除く): 78255720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 61, 72, 81, 90, 106, 108, 120, 122, 135, 159, 162, 180, 183, 212, 216, 243, 244, 265, 270, 305, 318, 324, 360, 366, 405, 424, 477, 486, 488, 530, 540, 549, 610, 636, 648, 732, 795, 810, 915, 954, 972, 1060, 1080, 1098, 1215, 1220, 1272, 1431, 1464, 1590, 1620, 1647, 1830, 1908, 1944, 2120, 2196, 2385, 2430, 2440, 2745, 2862, 3180, 3233, 3240, 3294, 3660, 3816, 4293, 4392, 4770, 4860, 4941, 5490, 5724, 6360, 6466, 6588, 7155, 7320, 8235, 8586, 9540, 9699, 9720, 9882, 10980, 11448, 12879, 12932, 13176, 14310, 14823, 16165, 16470, 17172, 19080, 19398, 19764, 21465, 21960, 24705, 25758, 25864, 28620, 29097, 29646, 32330, 32940, 34344, 38796, 39528, 42930, 48495, 49410, 51516, 57240, 58194, 59292, 64395, 64660, 65880, 74115, 77592, 85860, 87291, 96990, 98820, 103032, 116388, 118584, 128790, 129320, 145485, 148230, 171720, 174582, 193980, 197640, 232776, 257580, 261873, 290970, 296460, 349164, 387960, 436455, 515160, 523746, 581940, 592920, 698328, 785619, 872910, 1047492, 1163880, 1309365, 1571238, 1745820, 2094984, 2618730, 3142476, 3491640, 3928095, 5237460, 6284952, 7856190, 10474920, 15712380, 31424760]

約数ペア:

[(1, 31424760), (2, 15712380), (3, 10474920), (4, 7856190), (5, 6284952), (6, 5237460), (8, 3928095), (9, 3491640), (10, 3142476), (12, 2618730), (15, 2094984), (18, 1745820), (20, 1571238), (24, 1309365), (27, 1163880), (30, 1047492), (36, 872910), (40, 785619), (45, 698328), (53, 592920), (54, 581940), (60, 523746), (61, 515160), (72, 436455), (81, 387960), (90, 349164), (106, 296460), (108, 290970), (120, 261873), (122, 257580), (135, 232776), (159, 197640), (162, 193980), (180, 174582), (183, 171720), (212, 148230), (216, 145485), (243, 129320), (244, 128790), (265, 118584), (270, 116388), (305, 103032), (318, 98820), (324, 96990), (360, 87291), (366, 85860), (405, 77592), (424, 74115), (477, 65880), (486, 64660), (488, 64395), (530, 59292), (540, 58194), (549, 57240), (610, 51516), (636, 49410), (648, 48495), (732, 42930), (795, 39528), (810, 38796), (915, 34344), (954, 32940), (972, 32330), (1060, 29646), (1080, 29097), (1098, 28620), (1215, 25864), (1220, 25758), (1272, 24705), (1431, 21960), (1464, 21465), (1590, 19764), (1620, 19398), (1647, 19080), (1830, 17172), (1908, 16470), (1944, 16165), (2120, 14823), (2196, 14310), (2385, 13176), (2430, 12932), (2440, 12879), (2745, 11448), (2862, 10980), (3180, 9882), (3233, 9720), (3240, 9699), (3294, 9540), (3660, 8586), (3816, 8235), (4293, 7320), (4392, 7155), (4770, 6588), (4860, 6466), (4941, 6360), (5490, 5724)]