15985970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1635

約数の個数: 64

約数和(自身を含む): 38658816

約数和(自身を除く): 22672846

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1597, 2002, 3194, 5005, 7985, 10010, 11179, 15970, 17567, 20761, 22358, 35134, 41522, 55895, 87835, 103805, 111790, 122969, 145327, 175670, 207610, 228371, 245938, 290654, 456742, 614845, 726635, 1141855, 1229690, 1453270, 1598597, 2283710, 3197194, 7992985, 15985970]

約数ペア:

[(1, 15985970), (2, 7992985), (5, 3197194), (7, 2283710), (10, 1598597), (11, 1453270), (13, 1229690), (14, 1141855), (22, 726635), (26, 614845), (35, 456742), (55, 290654), (65, 245938), (70, 228371), (77, 207610), (91, 175670), (110, 145327), (130, 122969), (143, 111790), (154, 103805), (182, 87835), (286, 55895), (385, 41522), (455, 35134), (715, 22358), (770, 20761), (910, 17567), (1001, 15970), (1430, 11179), (1597, 10010), (2002, 7985), (3194, 5005)]