40651920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 137884032

約数和(自身を除く): 97232112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 360, 393, 431, 524, 655, 720, 786, 862, 1048, 1179, 1293, 1310, 1572, 1724, 1965, 2096, 2155, 2358, 2586, 2620, 3144, 3448, 3879, 3930, 4310, 4716, 5172, 5240, 5895, 6288, 6465, 6896, 7758, 7860, 8620, 9432, 10344, 10480, 11790, 12930, 15516, 15720, 17240, 18864, 19395, 20688, 23580, 25860, 31032, 31440, 34480, 38790, 47160, 51720, 56461, 62064, 77580, 94320, 103440, 112922, 155160, 169383, 225844, 282305, 310320, 338766, 451688, 508149, 564610, 677532, 846915, 903376, 1016298, 1129220, 1355064, 1693830, 2032596, 2258440, 2540745, 2710128, 3387660, 4065192, 4516880, 5081490, 6775320, 8130384, 10162980, 13550640, 20325960, 40651920]

約数ペア:

[(1, 40651920), (2, 20325960), (3, 13550640), (4, 10162980), (5, 8130384), (6, 6775320), (8, 5081490), (9, 4516880), (10, 4065192), (12, 3387660), (15, 2710128), (16, 2540745), (18, 2258440), (20, 2032596), (24, 1693830), (30, 1355064), (36, 1129220), (40, 1016298), (45, 903376), (48, 846915), (60, 677532), (72, 564610), (80, 508149), (90, 451688), (120, 338766), (131, 310320), (144, 282305), (180, 225844), (240, 169383), (262, 155160), (360, 112922), (393, 103440), (431, 94320), (524, 77580), (655, 62064), (720, 56461), (786, 51720), (862, 47160), (1048, 38790), (1179, 34480), (1293, 31440), (1310, 31032), (1572, 25860), (1724, 23580), (1965, 20688), (2096, 19395), (2155, 18864), (2358, 17240), (2586, 15720), (2620, 15516), (3144, 12930), (3448, 11790), (3879, 10480), (3930, 10344), (4310, 9432), (4716, 8620), (5172, 7860), (5240, 7758), (5895, 6896), (6288, 6465)]