215820045

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 445357440

約数和(自身を除く): 229537395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 269, 283, 315, 405, 567, 807, 849, 945, 1345, 1415, 1883, 1981, 2421, 2547, 2835, 4035, 4245, 5649, 5943, 7263, 7641, 9415, 9905, 12105, 12735, 16947, 17829, 21789, 22923, 28245, 29715, 36315, 38205, 50841, 53487, 76127, 84735, 89145, 108945, 114615, 152523, 160461, 228381, 254205, 267435, 380635, 532889, 685143, 762615, 802305, 1141905, 1598667, 2055429, 2664445, 3425715, 4796001, 6166287, 7993335, 10277145, 14388003, 23980005, 30831435, 43164009, 71940015, 215820045]

約数ペア:

[(1, 215820045), (3, 71940015), (5, 43164009), (7, 30831435), (9, 23980005), (15, 14388003), (21, 10277145), (27, 7993335), (35, 6166287), (45, 4796001), (63, 3425715), (81, 2664445), (105, 2055429), (135, 1598667), (189, 1141905), (269, 802305), (283, 762615), (315, 685143), (405, 532889), (567, 380635), (807, 267435), (849, 254205), (945, 228381), (1345, 160461), (1415, 152523), (1883, 114615), (1981, 108945), (2421, 89145), (2547, 84735), (2835, 76127), (4035, 53487), (4245, 50841), (5649, 38205), (5943, 36315), (7263, 29715), (7641, 28245), (9415, 22923), (9905, 21789), (12105, 17829), (12735, 16947)]