205786620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87943}}^1$

素因数の和:87971

約数の個数: 72

約数和(自身を含む): 672243936

約数和(自身を除く): 466457316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 87943, 175886, 263829, 351772, 439715, 527658, 791487, 879430, 1055316, 1143259, 1319145, 1582974, 1758860, 2286518, 2638290, 3165948, 3429777, 3957435, 4573036, 5276580, 5716295, 6859554, 7914870, 10289331, 11432590, 13719108, 15829740, 17148885, 20578662, 22865180, 34297770, 41157324, 51446655, 68595540, 102893310, 205786620]

約数ペア:

[(1, 205786620), (2, 102893310), (3, 68595540), (4, 51446655), (5, 41157324), (6, 34297770), (9, 22865180), (10, 20578662), (12, 17148885), (13, 15829740), (15, 13719108), (18, 11432590), (20, 10289331), (26, 7914870), (30, 6859554), (36, 5716295), (39, 5276580), (45, 4573036), (52, 3957435), (60, 3429777), (65, 3165948), (78, 2638290), (90, 2286518), (117, 1758860), (130, 1582974), (156, 1319145), (180, 1143259), (195, 1055316), (234, 879430), (260, 791487), (390, 527658), (468, 439715), (585, 351772), (780, 263829), (1170, 175886), (2340, 87943)]